(slang, Britain) Coming into or saving money through some financial transaction.

The inherent nature of something. / (US, historical) A member of a section of the Democratic-Republican Party between 1805 and 1811, following John Randolph of Roanoke. (From tertium quid.)

(historical) A sovereign or guinea. / (Britain, colloquial, slang) pound sterling (usually only used with a whole number of pounds)

A piece of material for chewing, especially chewing tobacco. / (US, colloquial) the act of chewing such tobacco

To chew tobacco. / (of a horse) To let food drop from the mouth whilst chewing.

plural of quid

present participle of quid

simple past tense and past participle of quid

Something intermediate between two classifications. / A third party in a situation, such as one who comes between two potential romantic partners; a "gooseberry" or "third wheel".

plural of tertium quid