Pinnacle \Pin"na*cle\, v. t. [imp. & p. p. {Pinnacled}; p. pr. &
   vb. n. {Pinnacling}.]
   To build or furnish with a pinnacle or pinnacles. --T.
   Warton.
   
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Pinnacle \Pin"na*cle\, n. [OE. pinacle, F. pinacle, L.
   pinnaculum, fr. pinna pinnacle, feather. See {Pin} a peg.]
   1. (Arch.) An architectural member, upright, and generally
      ending in a small spire, -- used to finish a buttress, to
      constitute a part in a proportion, as where pinnacles
      flank a gable or spire, and the like. Pinnacles may be
      considered primarily as added weight, where it is
      necessary to resist the thrust of an arch, etc.
      
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            Some renowned metropolis
            With glistering spires and pinnacles around.
                                                  --Milton.
      
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   2. Anything resembling a pinnacle; a lofty peak; a pointed
      summit.
      
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            Three silent pinnacles of aged snow.  --Tennyson.
      
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            The slippery tops of human state,
            The gilded pinnacles of fate.         --Cowley.
      
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