Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Botany The umbrellalike fruiting structure forming the top of a stalked fleshy fungus, such as a mushroom; the cap.
- n. A brimless round skullcap worn by ancient Romans.
- n. See caul.
Century Dictionary and Cyclopedia
- n. Among the ancient Romans, a conical cap or hat of felt; a cap or skullcap.
- n. In botany, the expanded cap-like or umbrella-like summit of the stipe, bearing the hymenium, in hymenomycetous fungi: same as cap, 2 . See cuts under Agaricus and Fungi.
- n. In ornithology, same as pileum.
- n. [capitalized] [NL.] A genus of echinoderms.
- n. A nipple-shield.
- n. The disk or umbrella of a jellyfish.
Wiktionary
- n. the cap of a mushroom.
- n. the bell of a jellyfish
- n. meteorology a small thin cloud attached to a cumulus cloud. A cap cloud
- n. a conical felt hat worn in ancient Rome and Greece
- n. The top of the head of a bird, from the bill to the nape.
GNU Webster's 1913
- n. (Rom. Antiq.) A kind of skull cap of felt.
- n. (Bot.) The expanded upper portion of many of the fungi. See Mushroom.
- n. (Zoöl.) The top of the head of a bird, from the bill to the nape.
WordNet 3.0
- n. a fruiting structure resembling an umbrella or a cone that forms the top of a stalked fleshy fungus such as a mushroom
Etymologies
- Latin pileus ("a felt cap"). (Wiktionary)
- New Latin pīleus, from Latin, cap. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“At some point, right through here, you are going to see what is called a pileus cap right there going through the top of what would be the top of a thunderstorm, if there were as a thunderstorm there.”
“Their texture is always different from that of the pileus, which is fleshy or membranous.”
Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.
“This gives a fluted appearance to the margin of the pileus, which is very thin and membranaceous.”
Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.
“A closely related species is _L. pergamenus_ (Swartz) Fr., which resembles it very closely, but has a longer, stuffed stem, and thinner, more pliant pileus, which is more frequently irregular and eccentric, and not at first umbilicate.”
Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.
“This cloud, which meteorologists call a pileus cloud, is probably a transient feature: the eruption plume is starting to punch through.”
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“The white cloud in the middle of the eruption is called a pileus cloud, according to NASA.”
“The under side of the pileus is the part which bears the spores, which correspond to the seeds of higher plants.”
“(arachnoid) veil which is separate from the cuticle of the pileus, that is, superficial.”
Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.
“· Agaricus species have a pileus which is smooth, free gills, stipe with a ring (left when the cap breaks away), and brown spores.”
“= Crepidotus versutus = Pk. -- This little _Crepidotus_ has a pure white pileus which is covered with a soft, whitish down.”
Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.
Lists
These user-created lists contain the word ‘pileus’.
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Mycology
basidiomycete, initiation, fungus, shiitake, inoculum, substrate, fruit body, mycelium, hyphal growth, oyster, spawn run, polypore and 207 more...
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phrontistery - p
from phrontistery.info
pustule, purulence, pushful, purser, purpureal, putative, purpure, purpresture, purloin, purline, purlieu, purlicue and 1766 more...
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Clouds
We owe our current names for clouds to Luke Howard. Wikipedia tells us that "Howard was not the first to attempt a classification of clouds—Jean-Baptiste Lamarck (1744–1829) had earlier proposed a ...
wane-cloud, stratus, cirrostratus, cirro-stratus, strato-cirrus, altostratus, salmon-cloud, cumulus, altocumulus lenti..., sonder-cloud, rain-cloud, nimbostratus and 205 more...
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Logolepsy
"Luciferous Logolepsy is a collection of over 9,000 obscure English words. Though the definition of an 'English' word might seem to be straightforward, it is not. There exist so many adopted, deriv...
Anschauung, Areopagus, Argus, Briarean, Dei gratia, Dei judicium, Deo volente, Duecento, Foehn, Geflugelte Worte, Gegenschein, Hakenkreuz and 9230 more...
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names of hats
liripipe, cowl, capuchon, liripipium, snood, bonnet, toque, turban, poke, toboggan-cap, crown, fedora and 72 more...
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hats and headgear
Everything hats,things with hoods,hoods,scarves,crowns,useful
adjectival forms,hat expressions,
alternate spellingsbabushka, balaclava, bamoral, baseball cap, beanie, bearskin, beaver hat, beret, billycock, biretta, boater, bobble hat and 422 more...
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Hats Off!
trilby, porkpie, panama, fedora, pillbox, stovepipe, turban, boater, ball cap, pastorella, beret, bowler and 219 more...
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Wordwild's Delights
Delightful words to read and use
plangent, ribald, titubant, sidereal, pelagic, improvident, dolorous, parlous, baleful, precatory, pied, mephitic and 247 more...
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Word Gems
foist, coercion, abecedism, abiectic, abigeus, abiogenesis, ablaut, thunderstruck, dumbfounded, flabbergasted, filagree, blotto and 196 more...
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Zoological Terms
Terms used in Zoology
papilionaceous, actinost, gressorial, exuviate, nitid, trochal, demiss, loculus, crebrity, limes, pachytrichous, pachydactyl and 319 more...
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Botanical Terms
Terms used in botany
contabescence, effloresce, foliate, acervate, nuciform, feracious, fructuous, bifarious, serotinous, sative, demiss, tardive and 168 more...
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fbharjo's Words
jumelle, kef, kenspeckle, lautitious, essentic, pilpulistic, impavid, cicurant, clou, chrysostomic, miasma, teleology and 1625 more...
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Whether the Weather
Should I bring an umbrella?
hurricane, tsunami, fog, tornado, thunderstorm, cyclone, blizzard, drizzle, hail, snow, sleet, graupel and 37 more...
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Ornithological Terms
Terms Used in Ornithology
pterylosis, picifautor, gressorial, exuviate, stragulum, philornithic, pinguinitescent, parvirostrate, schizorhinal, schizothecal, schismatic, fuliginous and 76 more...
Tweets
Looking for tweets for pileus.
lampbane It's a dapper cloud. Aug 28, 2008
reesetee So it's a cloud with a hat? ;-) Aug 28, 2008
lampbane A small horizontal cloud that can appear above a cumulus or cumulonimbus cloud, giving the other cloud a hood-like appearance. Aug 27, 2008
reesetee Also pilleus or pilleum. A brimless felt cap somewhat similar to a fez. The pilleolus was a smaller cap, similar to a skullcap, especially associated with the manumission of slaves, who wore it upon their liberation. The pileus became popular in the 18th and 19th centuries, when became known as a liberty cap or Phrygian cap. Aug 15, 2008