n.
1.blockage consisting of an object designed to fill a hole tightly
2.a wad of something chewable as tobacco
3.blatant or sensational promotion
4.electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark
5.an electrical device with two or three pins that is inserted in a socket to make an electrical connection
6.an upright hydrant for drawing water to use in fighting a fire
7.an old or over-worked horse plug v.
1.fill or close tightly with or as if with a plug
2.persist in working hard
3.deliver a quick blow to
4.make a plug for
