Define catapult: an ancient military device for hurling missiles â catapult in a sentence an ancient military device for hurling missiles; a device for launching an airplane at flying speed (as from an aircraft carrier)â¦
demure (comparative more demure, superlative most demure) Quiet, modest, reserved, sober, or serious. She is a demure young lady. W. Black Nan was very much delighted in her demure way, and that delight showed itself in her face and in her clear bright eyes.
armature. n. 1. (General Physics) a revolving structure in an electric motor or generator, wound with the coils that carry the current. 2. (General Physics) any part of an electric machine or device that moves under the influence of a magnetic field or within which an electromotive force is induced.