#plug__stopper__stopple  blockage consisting of an object designed to fill a hole tightly
  supertype:  #closure__block__occlusion__stop__stoppage  an obstruction in a pipe or tube; "we had to call a plumber to clear out the blockage in the drainpipe"
  subtype:  #bung__spile  a plug used to close a hole in a barrel or flask
  subtype:  #cork.plug  the plug in the mouth of a bottle (especially a wine bottle)
  subtype:  #drainplug  a removable plug for holding water in a tub or basin
  subtype:  #fipple  a wooden plug forming a flue pipe (as the mouthpiece of a recorder)
  subtype:  #tampion  plug for the muzzle of a gun to keep out dust and moisture
  subtype:  #tampon  plug of cotton or other absorbent material; inserted into wound or body cavity to absorb exuded fluids (especially blood)
     subtype:  #Tampax  (trade name) tampon used to absorb menstrual flow
  subtype:  #spigot__tap  a plug for a bunghole in a cask

No statement uses or specializes #plug; click here to add one.