/ Dictionary / Index A air pocket: Meaning and Definition of Find definitions for: air' pock"et Pronunciation: [key] (not in technical use) a nearly vertical air current that can cause an aircraft to experience a sudden change in altitude, usually a decrease. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. air plug Air Police Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language