noun
period drama set in the Edo period; Edo-period play
A rare term for a period piece, especially a play or drama, set in the Edo period. The word literally references the topknot hairstyle (ちょんまげ) associated with that era.
See also: ちょんまげ
あの劇団はちょんまげ物をよく上演する。
That theater company often performs Edo-period plays.
From ちょんまげ (topknot) + 物 (thing, story). The term evokes the iconic hairstyle of the Edo period to refer to dramas set in that era.