Entry 3 senses · 2 variants Webster, 1913 Tiffany /tĭf'-ən-ē/ · Tif·fa·ny · IPA /ˈtɪfəni/ n. a. 01 n. A species of gause, or very silk. 1. A species of gause, or very silk. “The smoke of sulphur . . . is commonly used by women to whiten tiffanies.” — Sir T. Browne. 02 a. made of stained glass by, or in the style of objects made by, Louis C. Tiffany; as, a Tiffany lamp. 1. made of stained glass by, or in the style of objects made by, Louis C. Tiffany; as, a Tiffany lamp. 2. Made by or purchased from the Tiffany corporation (with headquarters in New York City); as, Tiffany jewelry.