\Hy`a*cin"thine\, a. [L. hyacinthinus, Gr. ?.]
Belonging to the hyacinth; resemblingthe hyacinth; in color
like the hyacinth. --Milton.

      His curling locks like hyacinthine flowers. --Cowper.

      The hyacinthine boy, for whom Morn well might break and
      April bloom.                             --Emerson.