light machine gun

1. 1.

   a submachine gun not greater than .30 millimeter

   Broadersubmachine gun

Questions about light machine gun

What does light machine gun mean?

light machine gun means "a submachine gun not greater than .30 millimeter".

Is light machine gun a common word?

light machine gun is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.