• synonyms

wing dam

  1. a jetty for diverting the current of a stream.
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Origin of wing dam

An Americanism dating back to 1800–10
Also called spur, spur dike.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for wing dam

Historical Examples

  • The flume, the ditch, and the wing-dam, are the chief tasks of the river-miner.

    Hittel on Gold Mines and Mining

    John S. Hittell

  • The wing-dam is not often used, because the river-beds are in most places too narrow.