- 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
- Smaller in caliber than the barrel of the gun from which it was fired. Used of projectiles.
- Relating to or firing such projectiles.
Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
sub- +"Ž caliber