<p><strong>Noun</strong></p><ul><li>A bulbous plant, <em>Hyacinthus orientalis</em>, of the lily family, widely cultivated for its cylindrical cluster of fragrant flowers in a variety of colors.</li><li>Any of various similar or related plants, as the grape hyacinth or the water hyacinth.</li><li>A plant fabled to have sprung from the blood of Hyacinthus and variously identified as iris, gladiolus, larkspur, etc.</li><li>(Mineralogy) A reddish-orange zircon.</li><li>A gem of the ancients, held to be the amethyst or sapphire.</li></ul>