Noun lad has 2 senses
  1. chap, fellow, feller, lad, gent, fella, blighter, cuss - a boy or man; "that chap is your host"; "there's a fellow at the door"; "he's a likable cuss"
    --1 is a kind of male, male person
    --1 has particulars: dog
  2. cub, lad, laddie, sonny, sonny boy - a male child (a familiar term of address to a boy)
    --2 is a kind of male child, boy
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