coffin:1

noun
cof*fin \ ˈkȯ-fən \
1525
  • a box or chest for burying a corpse

coffin:2

verb
coffin \
1564
  • to enclose in or as if in a coffin

coffin bone

noun
coffin bone \
circa 1720
  • the principal bone enclosed within the hoof of a horse —called also pedal bone

coffin corner

noun
coffin corner \
1940
  • one of the corners formed by a goal line and a sideline on a football field into which a punt is often aimed so that it may go out of bounds close to the defender's goal line

coffin nail

noun
coffin nail \
1888
  • cigarette

a nail in the/someone's coffin

idiom
a nail in the/someone's coffin \
  • something that makes it more likely that someone or something will fail, be destroyed, etc.
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