quid | meaning of quid in Longman Dictionary of Contemporary English | LDOCE

From Longman Dictionary of Contemporary EnglishCurrenciesquidquid /kwɪd/ noun (plural quid) [countable] British English informal    1 PECone pound in money  She earns at least 600 quid a week.2 → be quids inExamples from the Corpusquid• I have, as it happens, a 1,000 rouble note, worth around a quid at yesterday's prices.• Maybe eighty quid a week coming in.• I have it at home and can well understand why Carmody passed fifty quid under the table to keep Graham quiet.• The bruiser wouldn't have been promised a reward of twenty quid otherwise.From Longman Business Dictionaryquidquid /kwɪd/ noun (plural quid) [countable] British English informal1one pound in British money2be quids in to make a profit, especially a large oneWe’ll be quids in if we get this contract.Origin quid (1600-1700) Perhaps from Latin what “what, something”