/ Dictionary / Index H hypanthium: Meaning and Definition of Find definitions for: hy•pan•thi•um Pronunciation: (hi-pan'thē-um, hī-), [key] — pl. -thi•a a cup-shaped or tubular body formed by the conjoined sepals, petals, and stamens. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hypanthium (Thesaurus) Hypanis hypaspist Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language