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prickleback

[prik-uh l-bak]
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noun
  1. any of several blennioid fishes of the family Stichaeidae, usually inhabiting cold waters, having spiny rays in the dorsal fin.
  2. stickleback.

Origin of prickleback

First recorded in 1740–50; prickle + back1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018