from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A small bladderlike cell or cavity.
- n. Anatomy A small sac or cyst, especially one containing fluid.
- n. Pathology A serum-filled blister formed in or beneath the skin.
- n. Geology A small cavity formed in volcanic rock by entrapment of a gas bubble during solidification.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A membrane-bound compartment found in a cell.
- n. A small bladder-like cell or cavity.
- n. A small sac or cyst or vacuole, especially one containing fluid. A blister formed in or beneath the skin, containing serum. A bleb.
- n. A pocket of embryonic tissue that is the beginning of an organ.
- n. A small cavity formed in volcanic rock by entrapment of a gas bubble during solidification.
from the GNU version of the Collaborative International Dictionary of English
- n. A bladderlike vessel; a membranous cavity; a cyst; a cell.
- n. A small bladderlike body in the substance of a vegetable, or upon the surface of a leaf.
- n. A small, and more or less circular, elevation of the cuticle, containing a clear watery fluid.
- n. A cavity or sac, especially one filled with fluid.
- n. A small convex hollow prominence on the surface of a shell or a coral.
- n. A small cavity, nearly spherical in form, and usually of the size of a pea or smaller, such as are common in some volcanic rocks. They are produced by the liberation of watery vapor in the molten mass.
from The Century Dictionary and Cyclopedia
- n. In petrography, a cavity in lava formed by the expansion of escaping gasbubbles, chiefly of steam.
- n. Any small bladder-like structure, cavity, cell, or the like, in a body; a membranous or vesicular vessel or cavity; a little sac or cyst. Also vesicule.
- n. A minute hollow sphere or bubble of water or other liquid.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a small anatomically normal sac or bladderlike structure (especially one containing fluid)
Middle English, from Old French vesicule, from Latin vēsīcula, diminutive of vēsīca, bladder, blister.(American Heritage® Dictionary of the English Language, Fourth Edition)
From French vésicule or its source, Latin vēsīcula. (Wiktionary)