(ophthalmology) A small device that is inserted into the tear duct of an eye to block the duct, preventing the drainage of liquid from the eye.

(mathematics, colloquial) A technique in which values are entered to get a numerical answer without any problem-solving skills being necessary.

present participle of pull the plug

(idiomatic, euphemistic) passive euthanasia

A technique used to split stone, using a metal wedge (the plug) and two tapering shims (the feathers).

(computing, humorous, derogatory) An unreliable plug and play feature.

a bed of cells that form the normal corneal epithelium.

(transitive) To put a plug or bung into something; to interrupt the flow of. / (transitive) To reinforce something weak.

A plug of soft metal in an opening in a steam boiler, designed to melt when the temperature rises to a certain point, and thus allow the escape of steam.

A device that plugs into a standard wall socket and allows further devices to be plugged into it. The on/off state can then be controlled remotely via an app.