/ Dictionary / Index R rhabdom: Meaning and Definition of Find definitions for: rhab•dom Pronunciation: (rab'dum, -dom), [key] — n. Anat., Zool. any of various rod-shaped structures. the rod-shaped portion of an arthropod ommatidium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rhabdocoele rhabdomancy Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language