Boy/bɔɪ/ Definition 1 of 5Pro Tip 1/2Age Specific Usually refers to males under 18; context may extend it to early 20s. His mom picked up the young boy from school. Pro Tip 2/2Not Gender Neutral The term 'boy' is male-specific; 'child' or 'kid' are gender-neutral alternatives. There was a boy and a girl playing in the yard.