1769, from Latin raucus "hoarse" (also source of French rauque, Spanish ronco, Italian rauco), related to ravus "hoarse," from PIE echoic base *reu- "make hoarse cries" (cognates: Sanskrit rayati "barks," ravati "roars;" Greek oryesthai "to howl, roar;" Latin racco "a roar;" Old Church Slavonic rjevo "I roar;" Lithuanian rekti "roar;" Old English rarian "to wail, bellow"). Middle English had rauc in the same sense, from the same source.
例文
1. They heard a bottle being smashed，then more raucous laughter.
彼らは瓶が割れる音を聞いて、それからもっとにぎやかな笑い声だった。
2.They told dirty jokes and sang raucous ballads.
彼らは生臭物ネタを話して、調子の悪い小唄を口ずさんでいる。
3.a group of raucous young men
騒がしい若者の群れdl>
4.I heard sounds of raucous laughter upstairs.
私は上の階からかすれた笑い声が聞こえた.
5.The laughter in the kitchen grated on his ears ; It 'sounded raucous ，mocking.