Definitions
Century Dictionary and Cyclopedia
- A Latin interjection, or exclamation of joy or triumph: sometimes used as a noun in English.
- n. In mythology, a daughter of Inachus, metamorphosed into a heifer and caused to be tormented by a terrible gadfly by Hera, in jealous revenge for the favors of Zeus. See Argus, 1.
- n. The innermost of the four satellites of Jupiter.
- n. In entomology: A genus of vanessoid butterflies.
- n. [lowercase] The peacock butterfly, Vanessa io: used both as the technical specific name and as an English word.
- n. [lowercase] A showy and beautiful moth of North America, Hyperchiria io, or Saturnia io, of yellow coloration, with prominent pink and bluish eyes on the hinder wings. The larva is covered with bunches of stinging spines, and feeds on many plants and trees, as Indian corn, cotton, hops, clover, elm, and cherry. The eggs are laid in clusters on the under side of the leaf.
- n. An abbreviation of Iowa.
Wiktionary
WordNet 3.0
- n. the closest of Jupiter's moons; has active volcanoes
- n. (Greek mythology) a maiden seduced by Zeus; when Hera was about to discover them together Zeus turned her into a white heifer
Etymologies
- From Latin; compare Ancient Greek ἰώ (iō, "oh!"). (Wiktionary)
Examples
“(U) Tacitus tells us, that the power of Urgulania was io great, that fhe difdained to ap - pear as a witnefs in a certain caufe before the fenate » fo that a praetor was fent to examine her at her own houfe, though it had been always ufual, even io» ithe Veftal virgins, to attend the forum, and courts of juftice, whenever their evidence was required* to to Taniib of \tk\i.”
Internet Archive: An universal history, from the earliest accounts to the present time
“With a brafs qua - drant of three feet radius, by one meridian altitude of the fun's upper limb, all neceflary aquations and deductions confidered, I determined the latitude of the place of obfer - vation to be 10° 59 1 1 "; and by another obfervation of the fame kind made on the 6th, io° 5 9 »*J afte r which b 7 a medium of thirty-three obfervations of liars, the largeft and neareft, the firft vertical, I found the latitude to be io 59 '10";”
“Drop. io is taking on the likes of WebEx, GoToMeeting and all the other webinar/web conference/meeting apps out there with presentation. io, a service that lets you upload, describe, and manipulate files for anyone with a browser.”
Present.io Sets Up No-Software-Needed Web Presentations | Lifehacker Australia
“Fusion-io is not the only company trying to take advantage of Flash.”
“Web site Speed. io is a web-based speed-testing tool for measuring your upload and download bandwidth.”
Speed.io Measures Your Bandwidth and More | Lifehacker Australia
“Mirèio is a half-opened rose, still all shining from the rosy light of dawn.”
“It is widely believed that today's exclamation point comes from the Latin word io ` joy ', with the one letter placed above the other.)”
“An English Version (the Original Crowned by the French Academy) of Frédéric Mistral's Mirèio from the Original Provencal/translated by C. H.”
“9: 00AM Adam Pash | Web site Speed. io is a web-based speed-testing tool for measuring your upload and download bandwidth.”
“Windows: drop. io is a quick way to share up to 100 MB in files, but it’s easy to forget about.”
Drop.io Outlook Plug-In Sends 100MB Attachments | Lifehacker Australia
Lists
These user-created lists contain the word ‘io’.
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Vowels only. And I mean: ONLY
Words containing no consonants and found in at least one major dictionary.
Foreign words permitted.aa, eau, oui, aiee, I, oo, euouae, eye, you, ye, yo, yay and 17 more...
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Bird Wirds: Sundry Nicknames
A list of birders' "shorthand" names, traditional nicknames, non-English names, and obsolete names for feathered creatures worldwide.
Interesting blog entry here on naming U.S. birds.welsh ambassador, goatsucker, french magpie, timberdoodle, butterbutt, popinjay, logcock, old cranky, long john, sprog, butterbum, wedgie and 697 more...
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je les adore!
fusillade, foal, celestial, abattoir, byzantium, berlin, casablanca, babylon, balkans, albion, avalon, between the devil... and 471 more...
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the gods must be crazy!
quetzalcoatl, baron-samedi, loa, orichas, arianrhod, aine, amaethon, annwn, arnemetia, balor, badbh, bean nighe and 1061 more...
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1
horizon, echo, undulation, resonance, reflection, acoustic, swoosh, distant, glide, interspace, marbles, radiant and 144 more...
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kevincooper's Words
prosopopeia, lisle, magisterial, zeitgeist, zeugma, bloviate, apocryphal, bon mot, cacophony, euphony, brigandier, micturition and 313 more...
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I Live a (SOWPODS) Hardscrabble Life
aa, ad, ae, ah, ai, am, an, ar, as, at, aw, ax and 168 more...
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Me
me, mine, myself, i, my, meg, eg, jeg, mein, meine, ich, �? and 140 more...
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ephemerides
being words related to astronomy, stellar cartography, and the music of the spheres, including names of planets, stars and constellations
ephemerides, ascension, declination, apogee, planet, star, constellation, galaxy, system, syzygy, ecliptic, sun and 202 more...
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many moons ago...
luna, phobos, deimos, metis, adrastea, amalthea, thebe, io, europa, ganymede, callisto, themisto and 140 more...
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Greek Gods and Titans
Greek and roman names of gods, titans, heroes, etc
gaea, uranus, cronus, rhea, oceanus, tethys, hyperion, mnemosyne, themis, iapetus, coeus, crius and 67 more...
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Two-letter words banned in (American)...
Seventy two-letter words that are not in The Official Scrabble Players Dictionary, 4th edition (compared to 101 that are in OSPD4, as listed by robotjohnny.) Most are found as headwords in larger d...
ac, af, bb, bs, ce, co, cs, da, di, ds, du, dy and 58 more...
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mythic: Greece
eos, ares, zeus, uranus, urania, tyche, triton, titan, tisiphone, thetis, theseus, themis and 73 more...
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Fly-Me to the Moons
The 49 so-far-named moons of Jupiter.
metis, andrastea, amalthea, thebe, io, europa, ganymede, callisto, themisto, leda, himalia, lysithea and 37 more...
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I like : I
ignoble, ikebana, impedimenta, inglorious, insolence, inter arma silent..., io, iron, isolate, impasse, inverness, invocation
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❖ bellas palabras.
words that sound beautiful on my tongue, words that i sincerely adore.
Mnemosyne, io, leviathan, nephilim, feuillemorte, antediluvian, nomenclature, palindrome, aver, dystopia
Tweets
Looking for tweets for io.

mollusque The io moth of North America (OED2); a cry of joy (SOWPODS); Hawaiian Hawk (not obsolete) (MW3). Dec 8, 2007
reesetee Obsolete name for the Hawaiian Hawk. Dec 7, 2007