plug

Noun

• an old or over-worked horse

• an upright hydrant for drawing water to use in fighting a fire

• an electrical device with two or three pins that is inserted in a socket to make an electrical connection

• electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark

• blatant or sensational promotion

• a wad of something chewable as tobacco

• blockage consisting of an object designed to fill a hole tightly

Verb

• insert as a plug
  • She plugged a cork in the wine bottle
    

• insert a plug into
  • plug the wall
    

• make a plug for; praise the qualities or in order to sell or promote

• deliver a quick blow to
  • he punched me in the stomach
    

• persist in working hard
  • Students must plug away at this problem
    

• fill or close tightly with or as if with a plug
  • plug the hole
    
  • stop up the leak
    

Related words

• Synonyms: 
  hack , jade , nag , fireplug , fire hydrant , male plug , spark plug , sparking plug , ballyhoo , hoopla , hype , chew , chaw , cud , quid , wad , stopper , stopple , punch , plug away , stop up , secure