JACINTH Meaning of JACINTH in English [ 'dʒasɪnθ , 'dʒeɪ- ]■ noun a reddish-orange gem variety of zircon.OriginME: from OFr. iacinte or med. L. iacintus , alt. of L. hyacinthus (see hyacinth ). Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004