1) Adorned with hyacinths 2) Of or like the hyacinth 
of a blue or purple colour
• (a.) Belonging to the hyacinth; resemblingthe hyacinth; in color like the hyacinth.
Hy`a·cin'thine adjective [ Latin hyacinthinus , Greek ....] Belonging to the hyacinth; resembling the hyacinth; in color like the hyacinth. Milton. « His curling locks like hyacinthine flowers.» Cowper. « The hyacinthine boy, for whom Morn well m...
of or like the hyacinth. · adorned with hyacinths.