boy

A male child.

Kieran plays football with other boys in his school.

The ſtretes of the cite alſo ſhalbe full of yonge boyes and damſelles, playnge vpon the ſtretes.

A young man.

Kate is dating a boy named Jim.

A son of any age.

Low as that tide has ebbed with me, / It still reflects to memory’s eye / The hour, my brave, my only boy, / Fell by the side of great Dundee.

I tried. I tried. But he wouldn't listen. My boy was stubborn. My boy was strong. And he was gonna get himself killed. Now I told him, I told him I did it too. That I was like Hoffman, getting by, and that's what you heard that night: me talking him down, him kicking and screaming until the fight went out of him. He put me up on a pedestal. And I had to show him that I was down in the gutter with the rest of them. Broke my boy. I broke my boy.

A male human younger than the speaker.

A male human of any age, as opposed to a "girl" (female human of any age).

boys' club

"My dear girl, what has he done?" said Mrs. Mallowe, sweetly. It is noticeable that ladies of a certain age call each other "dear girl," just as commissioners of twenty-eight years' standing address their equals in the Civil List as "my boy."

Exclamation of surprise, pleasure or longing.

Boy, that was close!

Boy, that tastes good!

To act as a boy (in allusion to the former practice of boys acting women's parts on the stage).

I shall see some squeaking Cleopatra boy my greatness.