Definition of nurse shark
: any of various usually bottom-dwelling sharks (family Ginglymostomatidae) with barbels near the nostrils especially : a large yellowish to grayish brown shark (Ginglymostoma cirratum) of warm usually shallow coastal waters that is typically nonaggressive and rests often in groups on the sea floor during the day
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Time Traveler for nurse shark
The first known use of nurse shark was in 1851
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