playmate

[ pley-meyt ]

/ ˈpleɪˌmeɪt /

a companion, especially of a child, in play or recreation.

Informal. a social companion or lover; girlfriend or boyfriend: He showed up at the nightclub with his new playmate.

Origin of playmate

First recorded in 1635–45; play + mate¹

Winters became the first Playboy “Playmate of the Year” in 1957.

The Queen of the Playboy Centerfolds |Nina Strochlic |May 31, 2014 |DAILY BEAST
Why, his playmate who is pointing his finger at him, called him hard names.

Pictures and Stories |Unknown
I, who had been her playmate, would not become her courtier.

Richard Carvel, Complete |Winston Churchill
Out of all womankind, she was designed to be my life's playmate and my soul's purifier.

Kenelm Chillingly, Complete |Edward Bulwer-Lytton

Alois, gleeful and sure of her playmate back on the morrow, bounded and sang and tossed back her yellow hair.

Stories By English Authors: Germany |Various
She felt she was like a playmate of his, and every few moments a half-suppressed giggle interrupted her speech.

The Song of Songs |Hermann Sudermann

playmate

/ (ˈpleɪˌmeɪt) /

a friend or partner in play or recreation childhood playmates