a cam with a rocking or reciprocating motion.
noun 1. body paneling below the passenger compartment of a vehicle.
noun, plural rockeries. 1. rock garden. noun (pl) -eries 1. a garden constructed with rocks, esp one where alpine plants are grown Also called rock garden
noun 1. any of various simple or complex tubelike devices containing combustibles that on being ignited liberate gases whose action propels the tube through the air: used for pyrotechnic effect, signaling, carrying a lifeline, hurling explosives at an enemy, putting a space vehicle into orbit, etc. 2. a space capsule or vehicle put into orbit […]
noun 1. an airplane propelled wholly or mainly by a rocket engine. 2. a military airplane armed with rockets.