rebated

Etymology
From.

Adjective

 * 1) Blunted, dulled (of a blade, weapon etc.).
 * 2)  Having a smaller diameter than the main body of the cartridge, from which it is separated by an extractor groove narrower than both.
 * 1)  Having a smaller diameter than the main body of the cartridge, from which it is separated by an extractor groove narrower than both.