Entry 4 senses · 2 variants Webster, 1913 Basque /(bȧsk)/ · IPA /bæsk/ a. n. 01 a. Pertaining to Biscay, its people, or their language. 1. Pertaining to Biscay, its people, or their language. 02 n. One of a race, of unknown origin, inhabiting a region on the Bay of Biscay in Spain and France. 1. One of a race, of unknown origin, inhabiting a region on the Bay of Biscay in Spain and France. 2. The language spoken by the Basque people. 3. A part of a lady's dress, resembling a jacket with a short skirt; -- probably so called because this fashion of dress came from the Basques.