The Collaborative International Dictionary of English v.0.48:

Han \Han\ (h[a^]n), contr. inf. & plural pres. of Haven.
   To have; have. [Obs.] --Piers Plowman.
   [1913 Webster]

         Him thanken all, and thus they han an end. --Chaucer.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Han
    n 1: imperial dynasty that ruled China (most of the time from
         206 BC to AD 220) and expanded its boundaries and developed
         its bureaucracy; remembered as one of the great eras of
         Chinese civilization [syn: Han, Han dynasty]