Definition

1. Noun:
   • An airplane wing shaped like a triangle: A "delta wing" is a wing design for aircraft, characterized by its triangular shape, similar to the Greek letter delta (Δ). This design is known for its aerodynamic properties at high speeds.
   • The triangular wing structure itself: The term can also refer specifically to the triangular wing configuration, regardless of the aircraft it is attached to.

Usage Examples

• Noun:
  • The Concorde supersonic airliner was famous for its sleek delta wing.
  • Fighter jets often use a delta wing design for better maneuverability at high speeds.
  • The model airplane features a simple delta wing.

Advanced Usage

• "Pure delta wing": A wing with a simple triangular planform without any additional wing features like a separate tailplane.

  • The prototype used a pure delta wing configuration.

• "Cranked delta wing": A delta wing design where the leading edge has a change in angle, creating a kinked or "cranked" appearance.

  • The advanced fighter incorporates a cranked delta wing for improved low-speed handling.

Variants and Related Words

• Delta (n): The fourth letter of the Greek alphabet (Δ, δ), from which the wing shape takes its name. Also used in other contexts (e.g., river delta).
• Tailless delta: An aircraft with a delta wing that has no separate horizontal tail surface.
  • The tailless delta relies entirely on its wing for control.

Synonyms

• Triangular wing: A descriptive synonym emphasizing the shape.
• Arrowhead wing: A less common synonym, comparing the shape to the point of an arrow.

Related Phrases

• Delta-winged (adj): Describing an aircraft that has delta wings.
  • The delta-winged aircraft was a marvel of engineering.

Noun

1. an airplane with wings that give it the appearance of an isosceles triangle