Definition

1. Noun:
   • The natural margin formed by hair on the head: The edge or outline of the area on the scalp where hair grows, especially at the forehead and temples.
   • A very thin line: A line that is extremely fine or narrow, often barely visible.

Usage Examples

• Noun (Margin of hair):

  • His receding hairline became more noticeable as he aged.
  • She has a very straight and even hairline.

• Noun (Thin line):

  • The artist drew a perfect hairline with a fine pen.
  • A hairline crack appeared in the antique vase.

Advanced Usage

• "Hairline fracture": A very fine crack in a bone, often difficult to see on an X-ray.
  • The doctor diagnosed a hairline fracture in his wrist.

Variants and Related Words

• Hairline (adjective): Used to describe something extremely fine or narrow.
  • The watch features a hairline second hand.

Synonyms

• Border (for the margin of hair).
• Edge (for the margin of hair).
• Fine line (for a very thin line).
• Faint line (for a very thin line).

Related Phrases

• Receding hairline: A hairline that is moving backward on the scalp, often due to hair loss.
  • He started using special shampoo for his receding hairline.

Noun

1. the natural margin formed by hair on the head
2. a very thin line