Breadcrumb Home > Dictionary > Index H Hyacinthus: Meaning and Definition of Find definitions for: Hy•a•cin•thus Pronunciation: (hī"u-sin'thus), [key] — n. Class. Myth. a youth loved but accidentally killed by Apollo: from the youth's blood sprang the hyacinth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hyacinthine Hyades TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: nosegay Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language