#perch  support consisting of a branch or rod that serves as a resting place (especially for a bird)
  supertype:  #support.device  any device that bears the weight of another thing; "there was no place to attach supports for a shelf"
  subtype:  #roost  a perch on which domestic fowl rest or sleep
  part of:  #roost.shelter  a shelter with perches for fowl or other birds

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