/ Dictionary / Index C crab spider: Meaning and Definition of Find definitions for: crab' spi"der Pronunciation: [key] any crab-shaped spider of the family Thomisidae, characterized by its sideways manner of moving. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. crab's eye crabstick 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