Nurse shark Meaning, Definition & Usage

  1. noun small bottom-dwelling shark of warm shallow waters on both coasts of North America and South America and from southeast Asia to Australia
    Ginglymostoma cirratum.

WordNet

Definitions
  1. . (Zoöl.) (a) A large arctic shark (Somniosus microcephalus), having small teeth and feeble jaws; called also sleeper shark, and ground shark. (b) A large shark (Ginglymostoma cirratum), native of the West Indies and Gulf of Mexico, having the dorsal fins situated behind the ventral fins.

Webster 1913