/ Dictionary / Index H homothallic: Meaning and Definition of Find definitions for: ho•mo•thal•lic Pronunciation: (hō"mu-thal'ik, hom"u-), [key] — adj. Mycol. having all mycelia alike, the opposite sexual functions being performed by different cells of a single mycelium. Cf. heterothallic (def. 1). monoecious. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. homotaxis homotherm 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