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
Word origin
C15: nusse fisshe (later influenced in spelling by nurse), perhaps from division of obsolete an huss shark, dogfish (of uncertain origin) as a nuss
Examples of 'nurse shark' in a sentence
nurse shark
Large tawny nurse sharks immediately circle the idling plane.