Definition

1. Noun:
   • Mail transported by aircraft: "air post" refers to the system or service by which letters, parcels, and other postal items are carried and delivered via airplanes.
   • A specific postal service: It can also denote the mail itself that is sent using this method, often synonymous with "airmail."

Usage Examples

• Noun:
  • She sent the package via air post to ensure it arrived quickly. (She used the aircraft-delivered postal service for fast delivery.)
  • The air post from London reached Tokyo in just two days. (The mail transported by airplane arrived rapidly.)

Advanced Usage

• "by air post": using the air mail service.
  • Documents sent by air post are usually more expensive but faster. (Using the aircraft postal system for documents.)

Variants and Related Words

• Airmail (n): a more common term for mail carried by aircraft.
  • He wrote a letter and sent it by airmail. (He used the air post service.)
• Airpost (n): a less frequent spelling variant of "air post."
  • The airpost service was established in the early 20th century. (The aircraft mail system.)

Synonyms

• Airmail: mail transported by aircraft.
• Airborne mail: mail that travels by air.

Related Idioms

• Send something by air: to dispatch an item via aircraft.
  • I need to send this contract by air to reach the client on time. (Use the air post service for urgency.)