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stoneroller

[stohn-roh-ler]
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noun
  1. an American minnow, Campostoma anomalum, named from its habit of moving stones as it feeds.
  2. any of several other minnows or suckers with similar habits, as Hypentelium nigricans.

Origin of stoneroller

First recorded in 1795–1805; stone + roller1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for stone roller

stone roller

noun
  1. a small silvery freshwater cyprinid fish, Campostoma anomalum, of the eastern US, having a narrow black stripe on the dorsal and anal fins

Word Origin

C19: so called because it pushes stones about in building its nest
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012