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boy (EN)
noun, interjection

noun “boy”

singular boy, plural boys
  1. a male child or adolescent
    The little boy was excited to start school.
  2. (informal) a young man
    The boy at the store helped me find what I needed.
  3. (affectionate) a son
    I'm so proud of my boy for graduating.
  4. (informal, usually plural) a group of male friends
    I'm meeting up with the boys tonight.
  5. (affectionate) used to address a male animal, especially a pet
    Good boy! Who's a good dog?
  6. (slang) heroin
    He was arrested for selling boy on the streets.

interjection “boy”

boy
  1. an expression of surprise or emphasis
    Boy, that was an amazing game!