senjō
1. (gun barrel) rifling
Noun
#273215
1. (gun barrel) rifling
1. If/when the spiral groove; When a spiral groove exists
1. Probably a spiral.; Probably helical.
1. It is not a spiral.; It is not a coil.
1. With spiral grooves; In a spiral pattern
1. Was not a spiral/coil.; Was not a strip/band.
1. If/when spiral/coil/helix
1. It's not a spiral.; It's not a coil.
1. Not a spiral.; Not a helix.
1. Was not a spiral/coil.; Was not a helix.