Q2 Syllabification: (Q)Pronunciation: /kyo͞o/Translate Q | into French | into German | into Italian | into Spanish Definition of Q abbreviation quarter (used to refer to a specified quarter of the fiscal year):we expect to have an exceptional Q4 queen (used especially in describing card games and recording moves in chess):17.Qb4 question:Q: What’s the problem? A: I don’t feel well Theology denoting the hypothetical source of the passages shared by the gospels of Matthew and Luke, but not found in Mark. [probably from German Quelle 'source']Q in other Oxford dictionaries Definition of Q in the British & World English dictionary