Hairline

Pronunciation

• US IPA: /ˈhÉ›rËŒlaɪn/

Full definition of hairline

Noun

1. the line along one's forehead where hair starts growing.It's just a receding hairline -- it's not like you're going bald.
2. the thinnest line that can be drawn using some graphics software

Adjective

1. very thin, as thin as a hairThere was a hairline crack in the airplane's wing.