fort /ˈfort, ˈfɔrt/
  堡壘,易貨站,要塞(vt.)設要塞保衛(vi.)設要塞
  Fort n.  Mil. A strong or fortified place; usually, a small fortified place, occupied only by troops, surrounded with a ditch, rampart, and parapet, or with palisades, stockades, or other means of defense; a fortification.
     Detached works, depending solely on their own strength, belong to the class of works termed forts.   --Farrow.
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  fort
       n 1: a fortified military post where troops are stationed [syn: garrison]
       2: a fortified defensive structure [syn: fortress]
       v 1: gather in, or as if in, a fort, as for protection or defense
            [syn: fort up]
       2: enclose by or as if by a fortification [syn: fortify]
       3: station (troops) in a fort