plug

blockage consisting of an object designed to fill a hole tightly

a wad of something chewable as tobacco

blatant or sensational promotion

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

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

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

fill or close tightly with or as if with a plug

“plug the hole”

“stop up the leak”

persist in working hard

“Students must plug away at this problem”

deliver a quick blow to

“he punched me in the stomach”

“Sam and Sue plug the movie”

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

“Sam and Sue plug the movie”

replace the center of a coin with a baser metal

“plug a nickle”

insert a plug into

“plug the wall”