boy noun
ADJ. big Your boy is quite big for his age. Don't cry?you're a big boy now. | little, small A little boy rode by on a tricycle. Their boy is small for his age. | young Our youngest boy is just starting school. | elder, eldest, older How old is your eldest boy? | baby | adolescent, teenage | good Eat up your greens?there's a good boy. | naughty | bright, clever
VERB + BOY have They've had a baby boy. I've got three boys.
You can also check other dicts: boy (English, 中文解释 ), wordnet sense, Collins Definition