<p><strong>Noun</strong></p><ul><li>A deep narrow passage or mountain ravine with a stream flowing through it, often with great force: Hikers are warned to stay well clear of the flumes, especially during the spring thaw.</li><li>An artificial channel or trough for conducting water, as one used to transport logs or provide water power.</li><li>An amusement park ride in which passengers are carried in a boatlike or loglike conveyance through a narrow, water-filled chute or over a water slide.</li></ul><p><strong>Verb</strong></p><ul><li>To transport in a flume.</li><li>To divert (a stream) by a flume.</li></ul>