nightwalker

[ nahyt-waw-ker ]
/ ˈnaɪtˌwɔ kər /

noun

a person who walks or roves about at night, especially a thief, prostitute, etc.
New England. an earthworm.

Origin of nightwalker

First recorded in 1475–85; night + walker

regional variation note for nightwalker

2. See earthworm.

OTHER WORDS FROM nightwalker

night·walk·ing, adjective, noun