'Boa constrictor' definitions:

Definition of 'boa constrictor'

(from WordNet)
noun
Very large boa of tropical America and West Indies [syn: boa constrictor, Constrictor constrictor]

Definition of 'Boa constrictor'

From: GCIDE
  • Boa constrictor \Bo"a con*strict"or\ [NL. See Boa, and Constrictor.] (Zool.) A large and powerful serpent of tropical America, sometimes twenty or thirty feet long. See Illustration in Appendix. [1913 Webster]
  • Note: It has a succession of spots, alternately black and yellow, extending along the back. It kills its prey by constriction. The name is also loosely applied to other large serpents which crush their prey, particularly to those of the genus Python, found in Asia and Africa. [1913 Webster]