Mawashi: the belt/loincloth worn by sumo wrestlers during matches.
力士は土俵に上がる前に回しをしっかり締める。
A sumo wrestler tightens his mawashi firmly before entering the ring.
回しの色は力士ごとに異なることがある。
The color of the mawashi can differ for each wrestler.
古い写真には力士の廻し姿が写っている。
Old photos show wrestlers wearing mawashi.
A mantle or cape — a garment draped around the body (an older/less common usage).
古い劇の衣装で、俳優は黒い回しを羽織っていた。
In the old play's costume, the actor was wearing a black mantle.
彼は寒さよけに回しを肩にかけた。
He draped a mantle over his shoulders to keep warm.
A vulgar term for gang rape (sexual assault by multiple people). It denotes a violent crime and is highly negative; use with caution.
警察はその事件を回し（輪姦）として捜査している。
The police are investigating the incident as a gang rape.
回しという言葉は被害者にとって辛い表現だとされる。
The term 'mawashi' (in this sense) is considered a painful/excruciating expression for victims.