n. A bulbous Mediterranean plant (Hyacinthus orientalis) having narrow leaves and a terminal raceme of variously colored, usually fragrant flowers, with a funnel-shaped perianth. Also called jacinth.n. Any of several similar or related plants, such as the grape hyacinth.n. Greek Mythology A plant, perhaps the larkspur, gladiolus, or iris, that sprang from the blood of the slain Hyacinthus.n. A deep purplish blue to vivid violet.n. A reddish or cinnamon-colored variety of transparent zircon, used as a gemstone.n. A blue precious stone, perhaps the sapphire, known in antiquity.