n.

1. 遊伴，玩伴[C]
   Our little boy has no playmates in this neighborhood.

   我們的小男孩在這附近沒有玩伴。

   Tom was my childhood playmate.

   湯姆是我童年的玩伴。

2. 性伴侶
   She has been the playmate of every boy on the football team.

   她曾經是足球隊上每個人的性伴侶。

n.

1. a friend with whom a child plays.
2. euphemistic a person's lover.