#half__one-half__onehalf  one of two equal parts of a divisible whole; "half a loaf" or "half an hour" or "a century and one half"
  supertype:  common_fraction__simple_fraction  the quotient of two integers
  subtype:  fifty_percent__fiftypercent  a half expressed as a percentage
  subtype:  mediety__moiety  one of two (approximately) equal parts

No statement uses or specializes half; click here to add one.