/ Dictionary / Index H homoiotherm: Meaning and Definition of Find definitions for: ho•moi•o•therm Pronunciation: (hō-moi'u-thûrm"), [key] — n. a homoiothermal animal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: homoiotherm (Thesaurus) homoio- homoiothermal Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language