plug
n 1: a object designed to fill a hole tightly [syn: {stopper}, {stopple}]
2: a wad of something chewable as tobacco [syn: {chew}, {chaw},
{cud}, {quid}, {wad}]
3: blatant or sensational promotion [syn: {ballyhoo}, {hoopla},
{hype}]
4: fits into the cylinder head of an internal-combustion engine
and ignites the gas by means of an electric spark [syn: {spark
plug}, {sparking plug}]
5: a device with two or three pins that is inserted in a socket
to make an electrical connection [syn: {male plug}]
6: an upright hydrant for drawing water to use in fighting a
fire [syn: {fireplug}, {fire hydrant}]
7: an old or over-worked horse [syn: {hack}, {jade}, {nag}]
v 1: fill or close tightly with or as if with a plug; "plug the
hole"; "stop up the leak" [syn: {stop up}, {secure}]
2: persist in working hard; "Students must plug away at this
problem" [syn: {plug away}]
3: deliver a punch to [syn: {punch}]
4: make a plug for; praise the qualities or in order to sell or
promote