Definition

Noun: 1. A white stripe painted on a road surface: A "white line" is a painted longitudinal marking, typically found along the center of a road or between traffic lanes. Its primary function is to guide drivers by delineating lanes and indicating separation between opposing flows of traffic or adjacent lanes moving in the same direction.

Usage and Examples

• Primary Usage: Refers to the physical painted marking on a road.
  • Drivers must not cross the solid white line except in an emergency.
  • The highway was repainted with fresh, bright white lines.
• Specific Context: Often used in driving instructions and traffic regulations.
  • You should stay within your lane, marked by the white lines.
  • A broken white line indicates that you may change lanes if it is safe to do so.

Advanced Usage

• "the white line": Can be used metonymically to refer to the rule or boundary it represents.
  • He was fined for repeatedly crossing the white line. (Here, it implies the legal boundary, not just the paint.)
• In specific contexts like sports fields or parking lots, "white line" can refer to boundary markings, though "line" alone is more common (e.g., goal line, sideline).

Variants and Related Words

• Center line / Centre line (BrE): A specific type of white line that separates opposing lanes of traffic.
• Lane line / Lane marking: A more general term for any line separating lanes, which can be white or yellow.
• Road marking: The broad category that includes white lines, yellow lines, symbols, and words painted on roads.

Synonyms

• Road marking
• Lane divider
• Traffic line

Related Phrases and Concepts

• Broken white line: A line consisting of short dashes, indicating that lane changes are permitted.
• Solid white line: A continuous line, indicating that lane changes are discouraged or prohibited.
• Double white lines: Two parallel solid lines, indicating a strict prohibition against crossing.
• Edge line: A white line marking the outer edge of the roadway.

Noun

1. a white stripe in the middle of a road to mark traffic lanes