smooth hound

noun

Definition of smooth hound 

: any of several dogfishes (genus Mustelus) closely related to or included with the requiem sharks

Illustration of smooth hound

Illustration of smooth hound

First Known Use of smooth hound

1603, in the meaning defined above

History and Etymology for smooth hound

from the absence of a spine in front of the dorsal fin

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The first known use of smooth hound was in 1603

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