Meaning of sand tiger

sand' ti"ger

Pronunciation: [key]
  1. any of several sharks of the family Odontaspididae, esp. Odontaspis taurus, inhabiting shallow waters on both sides of the Atlantic Ocean, having sharp, jagged teeth and sometimes dangerous to humans.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.