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Definitions of sir
  1. noun
    a title used before the name of knight or baronet
    type of:
  2. noun
    term of address for a man
    type of:
Definition that contains sir
  • manatee sirenian mammal of tropical coastal waters of America; the flat tail is rounded
  • dugong sirenian tusked mammal found from eastern Africa to Australia; the flat tail is bilobate
  • family sirenidae sirens
  • trichechus manatus sirenian mammal of tropical coastal waters of America; the flat tail is rounded
  • sirenidae sirens
  • dugong dugon sirenian tusked mammal found from eastern Africa to Australia; the flat tail is bilobate
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