hyacinth
Concise Oxford English Dictionary © 2008 Oxford University Press:
hyacinth /ˈhʌɪəsɪnθ/
▶noun
- 1 a bulbous plant of the lily family with a spike of bell-shaped fragrant flowers. [Genus Hyacinthus: several species.]
- 2 another term for jacinth.
– derivatives
hyacinthine /-ˈsɪnθiːn, -θʌɪn/ adjective.
hyacinthine /-ˈsɪnθiːn, -θʌɪn/ adjective.
– origin C16 (denoting a gem): from Fr. hyacinthe, via L. from Gk huakinthos, with ref. to the Greek myth of Hyacinthus, a youth loved by Apollo but accidentally killed by him, from whose blood Apollo caused a flower to grow.
'hyacinth' also found in these Oxford entries:

