ver·sant /ˈvɝsṇt/
  山的斜坡,傾斜地帶(a.)專心的,熟練的
  Ver·sant a.  Familiar; conversant.  [R.]
     Men not versant with courts of justice.   --Sydney Smith.
  Ver·sant, n.  The slope of a side of a mountain chain; hence, the general slope of a country; aspect.
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  versant
       n : the side or slope of a mountain; "conifer forests cover the
           eastern versant" [syn: mountainside]