#base.baseball_equipment__bag  place that runner must touch before scoring; "he scrambled to get back to the bag"
  supertype:  #baseball_equipment  equipment used in playing baseball
  subtype:  #first_base.base  #home_plate  #second_base  #third_base.base
  part of:  #baseball_diamond__diamond__infield  the area of a baseball field that is enclosed by 3 bases and home plate
     part of:  #ball_field__diamond  the baseball playing field
        part of:  #ballpark__park  a facility in which ball games are played (especially baseball games); "take me out to the ballpark"

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