(sub kal′ə bər)
- smaller than the caliber of the gun from which it is fired: said of a projectile fired, as in practice, through a tube of proper caliber inserted in or slipped on the barrel
- of or having to do with a subcaliber projectile
See subcaliber in American Heritage Dictionary 4
- Smaller in caliber than the barrel of the gun from which it was fired. Used of projectiles.
- Of or relating to such projectiles.