skeleton:1

noun
skel*e*ton \ ˈske-lə-tən \
1578{ds||1||}
  • a usually rigid supportive or protective structure or framework of an organism; especially : the bony or more or less cartilaginous framework supporting the soft tissues and protecting the internal organs of a vertebrate
  • something reduced to its minimum form or essential parts
  • an emaciated person or animal

skeleton:2

adjective
skeleton \
1778
  • of, consisting of, or resembling a skeleton

skeleton key

noun
skeleton key \
1810
  • a key with a large part of the bit filed away to enable it to open low quality locks as a master key —called also passkey

axial skeleton

noun
axial skeleton \
1856
  • the skeleton of the trunk and head
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