1606; from Dutch plug, from Middle Dutch plugge 'peg, plug', from Proto-Germanic *plugjaz (cf. Low German Plüg, German Pflock 'needle', Norwegian plug 'peg, small wedge'); akin to Lithuanian plúkti 'to strike, hew'.
plug (plural plugs)
- (electricity) 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.
- Any piece of wood, metal, or other substance used to stop or fill a hole; a stopple.
- Pull the plug out of the tub so it can drain.
- (US) A flat oblong cake of pressed tobacco.
- He preferred a plug of tobacco to loose chaw.
- (US, slang) A high, tapering silk hat.
- (US, slang) A worthless horse.
- That sorry old plug is ready for the glue factory!
- (construction) A block of wood let into a wall to afford a hold for nails.
- 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.
- (geology) 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.
- (fishing) 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.
Derived terms 
- (transitive) To stop with a plug; to make tight by stopping a hole.
- He attempted to plug the leaks with some caulk.
- (transitive) 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.
- (intransitive) (informal) To persist or continue with something.
- Keep plugging at the problem until you find a solution.
- (transitive) To shoot a bullet into something with a gun.
- (slang, transitive) to have sex with, penetrate sexually.
- I'd love to plug her.
Related terms 
Derived terms 
From early modern Dutch plugge, from Middle Dutch *plugghe, from Old Dutch *pluggi, from Proto-Germanic *plugjaz. Despite being attested very late, it has certain cognates in several other Germanic languages, including Middle Low German plugge, Middle High German gmh, Swedish plugg.
- wall plug (used to hold nails and screws)
From English plug.
- IPA: /pluɡ/
plug m (plural plugs)
- IPA: [pluɡ]
- IPA: /plûɡ/
plȕg m (Cyrillic spelling плу̏г)
|vocative||plugu / pluže||plugove|
plug m inan.
- plough (device pulled through the ground in order to break it upon into furrows for planting)