n.1 any large non-poisonous snake from tropical America esp. of the genus Boa, which kills its prey by crushing and suffocating it in its coils.
2 any snake which is similar in appearance, such as Old World pythons.
3 a long thin stole made of feathers or fur.
Phrases and idioms:
boa constrictor a large snake, Boa constrictor, native to tropical America and the West Indies, which crushes its prey.
Etymology: L