~ 1
■ noun
1》 a rapid stream of liquid or gas forced out of a small opening.
2》 a ~ engine.
↘an aircraft powered by ~ engines.
■ verb ( ~s , ~ting , ~ted )
1》 spurt out in a ~.
2》 travel by ~ aircraft.
Origin
C16: from Fr. ~er 'to throw', based on L. jactare , frequentative of jacere 'to throw'.
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~ 2
■ noun
1》 a hard black semi-precious variety of lignite.
2》 a glossy black colour.
Origin
ME: from OFr. jaiet , from L. Gagates , from Gk gagatēs 'from Gagai ', a town in Asia Minor.