plug
  Pronunciation: (plug), [key]    — n., v., plugged, plug•ging. 
  
  
 —n.  - a piece of wood or other material used to stop up a hole or aperture, to fill a gap, or to act as a wedge.  
  - a core or interior segment taken from a larger matrix.  
  - a device to which may be attached the conductors of a cord and which by insertion in a jack, or screwing into a receptacle, establishes contact.  
  - See(def. 1).  
  - a fireplug or hydrant.  
  - a cake of pressed tobacco.  
  - a piece of tobacco cut off for chewing.  
  - the favorable mention of something, as in a lecture, radio show, etc.; advertisement; recommendation: The actress was happy to give her new show a plug. 
  - an artificial lure made of wood, plastic, or metal, and fitted with one or more gang hooks, used chiefly in casting.  
  - neck (def. 14).  
  - a worn-out or inferior horse.  
  - a shopworn or unsalable article.  
  - a small piece of sod used esp. for seeding a lawn.  
  - a patch of scalp with viable hair follicles that is used as a graft for a bald part of the head. Cf.  
  - punch (def. 1).  
  -   
   -  a mandrel on which tubes are formed. 
  -  a punch on which a cup is drawn. 
  -  a protrusion on a forging die for forming a recess in the work. 
  -  a false bottom on a die. 
  
 - Also calleda small piece of wood inserted into masonry as a hold for a nail.  
  - See under  
  - Also calleda man's tall silk hat.  
  -  The government has threatened to pull the plug on further subsidies. 
   -  to discontinue or terminate:The government has threatened to pull the plug on further subsidies. 
  -  to disconnect life-sustaining equipment from (a moribund patient). 
  
 
  
 —v.t.  - to stop or fill with or as if with a plug (often fol. by up): to plug up a leak; plug a gap. 
  - to insert or drive a plug into.  
  - to secure with or as if with a plug.  
  - to insert (something) as a plug.  
  - to remove a core or a small plug-shaped piece from.  
  - to remove the center of (a coin) and replace it with a baser metal: a plugged nickel. 
  - to mention (something) favorably, as in a lecture, radio show, etc.: He says he will appear if he can plug his new TV series. 
  - to punch with the fist.  
  - to shoot or strike with a bullet.  
  
  
 —v.i.  - to work with stubborn persistence (often fol. by along or away): You're doing a fine job—just keep plugging. Some writers will plug away at the same novel for several years. 
  - to publicize insistently: Whenever he gets the chance, he's plugging for his company. 
  - to shoot or fire shots.  
  -  Plug the TV set in over there. 
   -  to connect to an electrical power source:Plug the TV set in over there. 
  -  Informal.to add or include; incorporate:They still have to plug in more research data. 
  
 -  The device will plug into any convenient wall outlet. The proposed new departments would eventually plug into the overall organizational plan. 
   -  to connect or become connected by or as if by means of a plug:The device will plug into any convenient wall outlet. The proposed new departments would eventually plug into the overall organizational plan. 
  -  Informal.to feel an affinity for; like; understand:Some kids just don't plug into sports in school. 
  
 - to become plugged: The drain in the sink plugs up every so often. 
  
  
  Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.