Definition of flume noun from the Oxford Advanced Learner's Dictionary

     

    flume

     noun
    noun
    BrE BrE//fluːm//
     
    ; NAmE NAmE//fluːm//
     
     
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  1. 1a narrow channel made to carry water for use in industry
  2. 2a water chute (= a tube for sliding down) at an amusement park or a swimming pool Heated to 29° the pool has flume rides and a wave machine.
  3. Word Origin Middle 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.
See the Oxford Advanced American Dictionary entry: flume