boa

noun

ˈbō-ə 

1

: any of a family (Boidae) of large snakes that kill by constriction and that includes the boa constrictor, anaconda, and python

2

: a long fluffy scarf

Examples of boa in a Sentence

Recent Examples on the Web

Her strapless gown also touted a plunging neckline with subtle boning, teamed with a massive feather boa for added drama. —Angel Saunders, People.com, 4 July 2025

Though the platforms became the star of the show, other parts of Campbell’s ensemble, which included a bright pink feather boa and a Scottish inspired kilt, were also made famous by the fall. —Rosa Rahimi, CNN Money, 19 June 2025

Between each eye and nostril sits a deep pit organ — more advanced than anything found in boas or pythons. —Scott Travers, Forbes.com, 25 Apr. 2025

But no known boa alive today actively specializes in hunting fish. —Scott Travers, Forbes.com, 21 Apr. 2025

Word History

Etymology

Latin, a water snake

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing boa

• boa constrictor

Rhymes for boa

• bryozoa
• metazoa
• polyzoa
• protozoa
• noa
• noah
• shoah
• toa
• quinoa
• spermatozoa

Kids Definition

boa

noun

ˈbō-ə 

1

: any of various large snakes (as the boa constrictor, anaconda, or python) that crushes its prey

2

: a long fluffy scarf of fur, feathers, or fabric