Definition

1. Verb:
   • To land or cause an aircraft to land on the ground or another surface. This is the primary and most common meaning, specifically referring to the moment an aircraft's wheels make contact with the landing surface at the end of a flight.

Usage

• The verb "touch down" is used intransitively (the plane touches down) or transitively (the pilot touches the plane down). It is a standard term in aviation.
• It describes the final, critical phase of an aircraft's landing procedure.

Examples

• Verb:
  • The flight from London is scheduled to touch down at 3 PM.
  • After a smooth flight, the pilot touched down perfectly on the runway.
  • The helicopter touched down on the hospital's landing pad.

Advanced Usage

• "to touch down": While overwhelmingly used for aircraft, it can be used metaphorically or in other contexts to describe something/someone making contact with a surface after being airborne.
  • The space capsule is expected to touch down in the ocean.
  • The rugby player touched down behind the goal line to score a try. (This is a specific sporting use in rugby and American football).

Variants and Related Words

• Touchdown (n): The act or instance of touching down. This is the noun form.

  • The touchdown was so smooth the passengers barely felt it.
  • He scored a touchdown in the final minute of the game. (Sporting context)

• Land (v): A more general synonym for bringing an aircraft to the ground.

Synonyms

• Land: To come down or bring (an aircraft) to rest on the ground or another surface.
• Alight (formal/literary): To descend from a vehicle, especially a horse or a vehicle in motion; less common for aircraft.

Related Phrasal Verbs

• Take off: The opposite action of "touch down"; when an aircraft leaves the ground.
  • The plane will take off at noon and touch down at 2 PM.

Related Idioms

• Safe and sound: Often used to describe passengers after a successful flight that has touched down.
  • We touched down in Tokyo and were safe and sound.

Verb

1. come or bring (a plane) to a landing
   • the plane touched down at noon