stacking swivel
noun
a metal swivel attached to the stock of a military rifle for use in hooking three rifles together to form a stack.
Origin of stacking swivel
First recorded in 1870–75
Words nearby stacking swivel
stack up,
stackable,
stacked,
stacked heel,
stacking,
stacking swivel,
stacking truck,
stackup,
stacte,
stactometer,
stacy