A boa or a feather boa is a long soft scarf made of feathers or of short pieces of very light fabric.
She wore a large pink boa around her neck.
2. countable noun
A boa is the same as a boa constrictor.
boa in British English
(ˈbəʊə)
noun
1.
any large nonvenomous snake of the family Boidae, most of which occur in Central and South America and the Caribbean. They have vestigial hind limbs and kill their prey by constriction
2.
a woman's long thin scarf, usually of feathers or fur
Word origin
C19: from New Latin, from Latin: a large Italian snake, water snake
boa in American English
(ˈboʊə)
noun
1.
any of a number of tropical and subtropical, nonvenomous constrictor snakes (family Boidae) that use their powerful coils to squeeze their prey to cause death by suffocation, as the anaconda or boa constrictor
2.
a woman's long scarf, as of fur or feathers, worn around the neck or shoulders