/ Dictionary / Index R rhomb: Meaning and Definition of Find definitions for: rhomb Pronunciation: (rom, romb), [key] rhombus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rhomb (Thesaurus) Rhoecus rhombencephalon Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language