资料来源 : Webster's Revised Unabridged Dictionary (1913)

Deplumation \Dep`lu*ma"tion\, n. [See {Deplumate}.]
   1. The stripping or falling off of plumes or feathers. --Bp.
      Stillingfleet

   2. (Med.) A disease of the eyelids, attended with loss of the
      eyelashes. --Thomas.