Pronunciation: (shrīk),[key] —n. 1. any of numerous predaceous oscine birds of the family Laniidae, having a strong, hooked, and toothed bill, feeding on insects and sometimes on small birds and other animals: the members of certain species impale their prey on thorns or suspend it from the branches of trees to tear it apart more easily, and are said to kill more than is necessary for them to eat.
2. any of several other birds having similar bills, as the vanga shrikes.
3. (cap.) Mil.a 10-foot (3-m), 400-pound (180-kg) U.S. air-to-ground missile designed to destroy missile batteries by homing in on their radar emissions.