penny
noun
°In the United Kingdom and Ireland, a copper coin worth 1/240 of a pound sterling or Irish pound before decimalisation. Abbreviation: d.
°In the United Kingdom, a copper coin worth 1/100 of a pound sterling.
verb
°(slang) To jam a door shut by inserting pennies between the doorframe and the door.
°(electronics) To circumvent the tripping of an electrical circuit breaker by the dangerous practice of inserting a coin in place of a fuse in a fuse socket.
synonyms: old penny, new penny, cent