Hairline

/ˈhɛrˌlaɪn/

Meaning & Definition

noun
A very thin line or mark.
The artist used a hairline to add delicate details to the portrait.
A thin line or mark on the skin, often used in reference to the forehead or scalp.
She noticed the hairline forming on her forehead as she aged.
The natural boundary or edge of hair on the scalp, particularly where hair meets the forehead.
He had a receding hairline, which made him look older than he was.

Etymology

From the combination of 'hair' and 'line', referring to the edge of hair.

Common Phrases and Expressions

hairline fracture
A very fine crack in a material.
hairline part
A part in the hair that is very fine and barely noticeable.
hairline recession
The gradual withdrawal of the hairline.

Related Words

baldness
The state of lacking hair on the scalp.
recession
A backward movement, particularly of the hairline.
barber
A person whose occupation is to cut hair.

Slang Meanings

A receding hairline
He's got that classic 'hairline' that shows he's getting older.
A very thin or fine mistake
That joke was so dry, it had a hairline of humor.