Hm

2 definitions found

From WordNet (r) 2.0 [wn]:

  hm
       n : a metric unit of length equal to 100 meters [syn: {hectometer},
            {hectometre}]

From The Free On-line Dictionary of Computing (27 SEP 03) [foldoc]:



  hm
       
           The {country code} for the Heard and McDonald
          Islands.
       
          (1999-01-27)