/ Dictionary / Index F fishtank: Meaning and Definition of Find definitions for: fish•tank Pronunciation: (fish'tank"), [key] — n. a glass-sided tank for keeping, displaying, or observing live fish or other aquatic animals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fishtail fish warden Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language