noun
horse's legs
Literal meaning, rarely used outside the idiom 馬脚を現す.
「馬脚」という言葉は、文字通りには馬の脚を指すが、普通は慣用句で使われる。
The word 馬脚 literally means a horse's legs, but it is normally used in the idiom.
noun
stagehand playing a horse's hind legs
Refers to a performer who operates the back legs of a horse costume in traditional theater. This sense is historical and rarely used in modern conversation.
See also: 馬脚を現す
昔の芝居では、馬脚という役者が馬の後ろ足を演じた。
In old plays, a performer called 馬脚 acted as the horse's hind legs.