plug

nouns

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
an old or over-worked horse

verbs

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"
make a plug for; praise the qualities or in order to sell or promote
is derived from
is a type of (narrower)
make publicity for; try to sell (a product)
"The salesman is aggressively pushing the new computer model"; "The company is heavily advertizing their new laptops"
insert a plug into
"plug the wall"
verb group
insert as a plug
"She plugged a cork in the wine bottle"
is a type of (narrower)
introduce
"Insert your ticket here"
insert as a plug
"She plugged a cork in the wine bottle"
verb group
insert a plug into
"plug the wall"
is a type of (narrower)
introduce
"Insert your ticket here"