

Socket (noun)
An opening into which a plug or other connecting part is designed to fit (e.g. a light bulb socket).
“jack”
Socket (noun)
A hollow into a bone which a part fits, such as an eye, or another bone, in the case of a joint.
Socket (noun)
One endpoint of a two-way communication link, used for interprocess communication across a network.
Socket (noun)
One endpoint of a two-way named pipe on Unix and Unix-like systems, used for interprocess communication.
Socket (noun)
A hollow tool for grasping and lifting tools dropped in a well-boring.
Socket (noun)
The hollow of a candlestick.
Socket (noun)
A steel apparatus attached to a saddle to protect the thighs and legs.
Socket (verb)
To place or fit in a socket.
Plug (noun)
A pronged connecting device which fits into a mating socket.
“I pushed the plug back into the electrical socket and the lamp began to glow again.”
Plug (noun)
Any piece of wood, metal, or other substance used to stop or fill a hole.
“bung|dowel|stopper|stopple”
“Pull the plug out of the tub so it can drain.”
Plug (noun)
A flat oblong cake of pressed tobacco.
“He preferred a plug of tobacco to loose chaw.”
Plug (noun)
A high, tapering silk hat.
Plug (noun)
A worthless horse.
“bum|q1=racing|dobbin|hack|jade|nag”
“That sorry old plug is ready for the glue factory!”
Plug (noun)
Any worn-out or useless article.
Plug (noun)
A block of wood let into a wall to afford a hold for nails.
Plug (noun)
A mention of a product (usually a book, film or play) in an interview, or an interview which features one or more of these.
“During the interview, the author put in a plug for his latest novel.”
Plug (noun)
A body of once molten rock that hardened in a volcanic vent. Usually round or oval in shape.
“Pressure built beneath the plug in the caldera, eventually resulting in a catastrophic explosion of pyroclastic shrapnel and ash.”
Plug (noun)
A type of lure consisting of a rigid, buoyant or semi-buoyant body and one or more hooks.
“The fisherman cast the plug into a likely pool, hoping to catch a whopper.”
Plug (noun)
A small seedling grown in a tray from expanded polystyrene or polythene filled usually with a peat or compost substrate.
Plug (noun)
A short cylindrical piece of jewellery commonly worn in larger-gauge body piercings, especially in the ear.
Plug (noun)
A drug dealer.
Plug (noun)
A branch from a water-pipe to supply a hose.
Plug (verb)
To stop with a plug; to make tight by stopping a hole.
“He attempted to plug the leaks with some caulk.”
Plug (verb)
To blatantly mention a particular product or service as if advertising it.
“The main guest on the show just kept plugging his latest movie: it got so tiresome.”
Plug (verb)
To persist or continue with something.
“Keep plugging at the problem until you find a solution.”
Plug (verb)
To shoot a bullet into something with a gun.
Plug (verb)
To have sex with, penetrate sexually.
“I’d love to plug him.”