swinging post

from WordNet (r) 3.0 (2006)

swinging post
    n 1: the gatepost on which the gate is hung [syn: {hinging
         post}, {swinging post}]

from The Collaborative International Dictionary of English v.0.48

Gatepost \Gate"post`\ (g[=a]t"p[=o]st`), n.
   1. A post to which a gate is hung; -- called also {swinging
      post} or {hinging post}.
      [1913 Webster]

   2. A post against which a gate closes; -- called also
      {shutting post}.
      [1913 Webster]