General term for an electrical plug or connector. Used for power plugs, audio jacks, and similar connecting devices.
I plugged the vacuum cleaner into the outlet.
Please insert the plug into the outlet.
This plug doesn't fit the USB port.
Specifically refers to a spark plug in an engine. Often used in automotive contexts.
The engine was running rough, so I replaced the spark plugs.
You need to replace the spark plugs regularly.
Please unplug it when you're done using it.
counter for small objects; counter for pieces · counter for military units · individual; one person · counter for years of age difference; counter for school years
Borrowed from English 'plug'.