A young horse is a foal. Foals are born to a mare, a sexually mature female.

VOA: special.2009.07.21

Somebody says, "What is a mare?" "Well, it's a female horse." "Well, it's a female horse" is the metalingual function.

有人问“什么是母马“，“母马就是雌性的马“,“母马就是雌性的马“这句话就是元语功能。

耶鲁公开课 - 文学理论导论课程节选