blackfish

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noun black·fish \-ˌfish\

Definition of blackfish

  1. 1 :  any of numerous dark-colored fishes: such asa :  tautogb :  a small bony fish (Dallia pectoralis of the family Umbridae) of Alaska and Siberia that is used for food and is noted for its resistance to cold

  2. 2 :  any of several small toothed whales; especially :  pilot whale

1634

First Known Use of blackfish

1634

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a dividing ridge between drainage areas

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