air horn

1. 1.

   a pneumatic horn

   Broaderhorn
2. 2.

   air intake of a carburetor

   Broaderintake

   Part ofcarburetor

Questions about air horn

What does air horn mean?

air horn means "a pneumatic horn". That is the primary sense; the word has 2 in total, listed in full on this page.

Is air horn a common word?

air horn is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.