Celestine

(Synop., § 130), n. [L. Lat. cœlestinus, color, equivalent to hyacinthinus.] (Min.) Native sulphate of strontian, a mineral so named from its occasional delicate blue color. Dana.

n. (Eccl. Hist.) One of a religious order in the Roman Catholic church, founded by Celestine V. in the thirteenth century. Hook.