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.
Lustre or luster is the way light interacts with the surface of a crystal, rock, or mineral.The word traces its origins back to the latin lux, meaning light, and generally implies radiance, gloss, or brilliance. A range of terms are used to describe lustre, such as earthy, metallic, greasy, and silky.ustre or luster is the way light interacts with the surface of a crystal, rock, or mineral.