Meaning of Q in English
(also q )
■ noun ( plural Qs or Q's )
1》 the seventeenth letter of the alphabet.
2》 denoting the next after P in a set of items, categories, etc.
1》 quarter (used to refer to a specified quarter of the financial year): Q4.
2》 queen (used especially in card games and chess).
4》 Theology denoting the hypothetical source of the passages shared by the gospels of Matthew and Luke, but not found in Mark. [prob. from Ger. Quelle 'source'.]
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004