Definition of "boa" in English

noun

1. Any of a group of large American snakes, of the genus Boa, subfamily Boinae, or family Boidae, including the boa constrictor and the emperor boa of Mexico.

2. A type of long scarf; typically made from synthetic or real feathers (or occasionally fur), and usually worn by being draped across the shoulders with the ends hanging low, sometimes also with a loop around the neck.