nurse-shark

nurse shark

noun
any of several sharks of the family Orectolobidae, especially Ginglymostoma cirratum, occurring in shallow waters from Rhode Island to Brazil and the Gulf of California to Ecuador.

Origin:
1850–55; allegedly so called because the male habitually hangs on to the female's fin with his teeth

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nurse shark
 
n
any of various sharks of the family Orectolobidae, such as Ginglymostoma cirratum of the Atlantic Ocean, having an external groove on each side of the head between the mouth and nostril
 
[C15: nusse fisshe (later influenced in spelling by nurse), perhaps from division of obsolete an huss shark, dogfish (of uncertain origin) as a nuss]

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