/ Dictionary / Index A air vesicle: Meaning and Definition of Find definitions for: air' ves"icle Pronunciation: [key] — Bot. Bot. a large, air-filled pocket, chiefly in plants that float on water, as kelps. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. air varié air vice-marshal Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language