Tur-quois', n.

(-koiz', or -keez', 38) (Synop., § 130), n. [Written also turcois and turkois.] [Fr. turquoise, Pr. & Sp. turquesa, It. turchese, turchina, L. Lat. turchesius, turchina, so called because it came first from Turkey, Fr. Turquie.] (Min.) A mineral, brought from Persia, of a peculiar bluish-green color, occurring in reniform masses, with a botryoidal surface; calaite. It is susceptible of a high polish, and is used in jewelry, and when highly colored is much esteemed as a gem. Dana.