#mortise_joint__mortisejoint__mortise-and-tenon_joint__mortiseandtenonjoint  a joint made by inserting tenon on one piece into mortise holes in the other
  supertype:  #joint  junction by which parts or objects are joined together
  subtype:  #dovetail_joint  #tongue_and_groove_joint
  part:  #mortise__mortice  a square hole made to receive a tenon and so to form a joint
  part:  #tenon  a projection at the end of a piece of wood that is shaped to fit into a mortise and form a mortise joint

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