HEADSPACE


Meaning of HEADSPACE in English

ˈ ̷ ̷ˌ ̷ ̷ noun

1. : a space between the breech and bolt face of a firearm using rimless ammunition

2. : the space taken up by the cartridge rim in a firearm using rimmed ammunition

3. : a space left between the contents and the ends or closure of a drum, barrel, can, or bottle in order to allow for variations in fill or expansion of contents — called also outage

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.