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
- The outlets are conveniently placed for plugging in.
- He has been plugging away at that article, for hours.
- They've been plugging his new show on the radio.
- She's been plugging away at her French lessons for months.