JET

I. noun Etymology: Middle English, from Anglo-French jaiet, from Latin gagates, from Greek gagatēs, from Gagas, town and river in Asia Minor Date: 14th century a compact velvet-black coal that takes a good polish and is often used for jewelry, an intense black, II. adjective Date: 1658 of the color ~, III. verb (~ted; ~ting) Etymology: French ~er, literally, to throw, from Old French, from Latin jactare to throw, frequentative of jacere to throw; akin to Greek hienai to send Date: 1692 intransitive verb to spout forth ; gush , transitive verb to emit in a stream ; spout , IV. noun Date: circa 1696 1. a. a usually forceful stream of fluid (as water or gas) discharged from a narrow opening or a nozzle, a narrow stream of material (as plasma) emanating or appearing to emanate from a celestial object (as a radio galaxy), a nozzle for a ~ of fluid, something issuing as if in a ~ , 3. ~ engine , an airplane powered by one or more ~ engines, a long narrow current of high-speed winds (as a ~ stream), ~like adjective V. intransitive verb (~ted; ~ting) Date: 1949 to travel by ~ airplane, to move or progress by or as if by ~ propulsion