/ Dictionary / Index H homunculus: Meaning and Definition of Find definitions for: ho•mun•cu•lus Pronunciation: (hu-mung'kyu-lus, hō-), [key] — pl. -li an artificially made dwarf, supposedly produced in a flask by an alchemist. a fully formed, miniature human body believed, according to some medical theories of the 16th and 17th centuries, to be contained in the spermatozoon. a diminutive human being. the human fetus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: homunculus (Thesaurus) Homs homy Related Content Daily Word Quiz: acme Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language