Meaning of Q in English

Q

Q 1

(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.

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Q 2

■ abbreviation

1》 quarter (used to refer to a specified quarter of the financial year): Q4.

2》 queen (used especially in card games and chess).

3》 question.

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.