a narrow channel made to carry water for use in industry （工业用）渡槽，引水槽，放水沟 a water chute (= a tube for sliding down) at an amusement park or a swimming pool （游乐园或游泳池的）水滑道 Heated to 29° the pool has flume rides and a wave machine. 加热到29度的泳池有水槽和波浪机。
Word OriginMiddle English (denoting a river or stream): from Old French flum, from Latin flumen ‘river’, from fluere ‘to flow’. The sense ‘artificial channel’ dates from the mid 18th cent.; ‘water chute for amusement’ is a late 20th-cent. usage.