small arm

Noun

 * 1) A firearm designed to be carried and fired by a single person, and often held in the hand.
 * 2) * 1904,, , New York and London: Harper, Part3, Chapter10, p.541,
 * the first of Barrios’s transports, one of our own ships at that, steamed right in, and, ranging close alongside, opened a small-arm fire without as much preliminaries as a hail.
 * 1) * 1904,, , New York and London: Harper, Part3, Chapter10, p.541,
 * the first of Barrios’s transports, one of our own ships at that, steamed right in, and, ranging close alongside, opened a small-arm fire without as much preliminaries as a hail.
 * the first of Barrios’s transports, one of our own ships at that, steamed right in, and, ranging close alongside, opened a small-arm fire without as much preliminaries as a hail.

Usage notes
In the singular, mainly used attributively (e.g. small-arm ammunition).