#Gunter's_chain  a unit of length (22 yards)
  supertype:  chain.linear_unit  a unit of length
  part of:  furlong  a unit of length equal to 220 yards
     part of:  statute_mile__statutemile__mile__stat_mi__land_mile__mi  a unit of length equal to 1760 yards
        part of:  league.linear_unit  an obsolete unit of distance of variable length (usually 3 miles)

No statement uses or specializes Gunter's_chain; click here to add one.