/ Dictionary / Index F fiddler crab: Meaning and Definition of Find definitions for: fid'dler crab" Pronunciation: [key] any small, burrowing crab of the genus Uca, characterized by one greatly enlarged claw in the male. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fiddler beetle fiddlerfish Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language