[floom] 
noun, verb, flumed, flum⋅ing.| 1. | a deep narrow defile containing a mountain stream or torrent. |
| 2. | an artificial channel or trough for conducting water, as one used to transport logs or provide water power. |
| 3. | 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. |
| 4. | to transport in a flume. |
| 5. | to divert (a stream) by a flume. |
| flume (flōōm) n.
[Middle English flum, river, from Old French, from Latin flūmen, from fluere, to flow; see bhleu- in Indo-European roots.] |