noun
A handgun with a rotating cylinder. Often synonymous with リボルバー.
See also: リボルバー
西部劇ではよく回転式拳銃が使われる。
Revolvers are often used in Westerns.
Synonymous loanword; リボルバー is more common in casual contexts, while 回転式拳銃 is a more formal or technical term.
Compound of 回転式 (rotary type) + 拳銃 (handgun).