/ Dictionary / Index H hoya: Meaning and Definition of Find definitions for: hoy•a Pronunciation: (hoi'u), [key] — n. any shrubby climbing plant of the genus Hoya, of the milkweed family, esp. the wax plant, H. carnosa, a pot plant with waxy white flowers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hoya (Thesaurus) hoy hoyden Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language