from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A device for protection from the weather consisting of a collapsible, usually circular canopy mounted on a central rod.
- n. Something that covers or protects.
- n. Air cover, especially during a military operation.
- n. Something that encompasses or covers many different elements or groups.
- n. Zoology The gelatinous, rounded mass that is the major part of the body of most jellyfish.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Cloth-covered frame used for protection against rain or sun.
- n. Generally, anything that provides protection.
- n. Something that covers a wide range of concepts, purposes, groups and etc.
- n. The main body of a jellyfish, excluding the tentacles.
from the GNU version of the Collaborative International Dictionary of English
- n. A shade, screen, or guard, carried in the hand for sheltering the person from the rays of the sun, or from rain or snow. It is formed of silk, cotton, or other fabric, extended on strips of whalebone, steel, or other elastic material, inserted in, or fastened to, a rod or stick by means of pivots or hinges, in such a way as to allow of being opened and closed with ease. See parasol.
- n. The umbrellalike disk, or swimming bell, of a jellyfish.
- n. Any marine tectibranchiate gastropod of the genus Umbrella, having an umbrella-shaped shell; -- called also umbrella shell.
from The Century Dictionary and Cyclopedia
- n. A portable shade, screen, or canopy which opens and folds, carried in the hand for the purpose of sheltering the person from the rays of the sun or from rain.
- n. In zoology: The gelatinous disk or swimming-bell of an acaleph, as a jellyfish, by the rhythmical contraction and expansion of which the creature swims, taken either with or without the velum.
- n. In conchology [NL. (Lamarck, 1809).] [capitalized] A genus of tectibranchiate or pleurobranchiate gastropods; the umbrella-shells, as U. umbellata. Also Ombrella. A limpet-like tectibranchiate gastropod of the genus Umbrella or family Umbrellidæ; an umbrella-shell.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. having the function of uniting a group of similar things
- n. a formation of military planes maintained over ground operations or targets
- n. a lightweight handheld collapsible canopy
- adj. covering or applying simultaneously to a number of similar items or elements or groups
Italian ombrella, from Late Latin umbrella, alteration (influenced by umbra, shade) of Latin umbella, parasol; see umbel.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Italian ombrella, umbrella ("an umbrella, sunshade"), dim. of ombra ("shade"), from Latin umbra ("shadow"). (Wiktionary)