ˈpump-ˌaction BrE AmE adjective [only before noun]
a pump-action piece of equipment is operated by pulling or pressing a part in or out so that the contents come out in short bursts
pump-action shotgun/rifle
ˈpump-ˌaction BrE AmE adjective [only before noun]
a pump-action piece of equipment is operated by pulling or pressing a part in or out so that the contents come out in short bursts
pump-action shotgun/rifle
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012