/ Dictionary / Index A aqui-: Meaning and Definition of Find definitions for: aqui- Pronunciation: [key] a combining form meaning “water,” used in the formation of compound words: aquiclude; aquiculture; aquifer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. aqueous humor aquiclude Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language