hyacinth /ˈhaɪ̯əsɪnθ/ noun2 •Any bulbous plant of the genus Hyacinthus, native to the Mediterranean and South Africa.On life's long round by chance I found / A dell impearled with dew, / Where hyacinths, gushing from the ground, / Lent to the earth heaven's native hue / Of holy blue. — 1889 •A variety of zircon, ranging in color from brown, orange, reddish-brown and yellow; a jacinth. formshyacinths