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porcupine fish

noun

Definition of porcupine fish

  1. :  any of several bony fishes (family Diodontidae) that have sharp spines covering the body and inflate themselves into a sphere when threatened; especially :  a spotted chiefly tropical fish (Diodon hystrix) that is olive to brown above with white below



1681

First Known Use of porcupine fish

1681


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to lessen in amount, effect, or force

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