boa

名词 boa:

1. a long thin fluffy scarf of feathers or fur
   同义词：feather boa
2. any of several chiefly tropical constrictors with vestigial hind limbs

bo.a

n.（名词）
Any of various large, nonvenomous, chiefly tropical snakes of the family Boidae, which includes the python, anaconda, boa constrictor, and other snakes that coil around and suffocate their prey.
蟒，蟒蛇：莽蛇科的大型、无毒，主要生活在热带的蛇，包括蟒蛇、蚺蛇、王蛇及其它用缠绕而使猎物窒息的蛇类
A long fluffy scarf made of soft material, such as fur or feathers.
长围巾：用如毛皮或羽毛等柔软材料制成的长而蓬松的围巾

来源：
Middle English
中古英语
from Latin boa [a large water snake]
源自 拉丁语 boa [大水蛇]