I. ˈjāsə̇n(t)th, ˈjas- noun
( -s )
Etymology: Middle English iacinct, iacynth, from Old French jacincte, jacinte, jacinthe, from Latin hyacinthus, a precious stone, a flowering plant — more at hyacinth
: hyacinth ; sometimes : a gem more nearly pure orange in color than a hyacinth
II. adjective
1. : being like a jacinth
2.
a. obsolete : hyacinthine
b. : being of the color jacinthe
c. : tawny