rifling

English Thesaurus

1. the cutting of spiral grooves on the inside of the barrel of a firearm (noun.act)

hypernym	:	formation, shaping,
definition	:	the act of fabricating something in a particular shape (noun.act)

derivation	:	groove,
definition	:	make a groove in, or provide with a groove (verb.contact)

derivation	:	groove,
definition	:	make a groove in, or provide with a groove (verb.contact)