What does the word Q mean?

Usage examples for Q

  1. We did nothing in that direction, but Kellas getting a message to attend a meeting at Brigade H. Q. as we went up The Gully, he brought up word that General de Lisle wished us to open another dressing station, as far as I could make out, in the slight dip immediately in front of our first firing line to which we are expected to creep out, and dig ourselves in, and wait for to- morrow's advance. – The Incomparable 29th and the "River Clyde" by George Davidson
  2. With Peter lived Mrs. Saxon's children by the eminent Q. C. Basil, who was twenty- five, and Juliet age twenty- two. – The Secret Passage by Fergus Hume
  3. Q. What name, then, shall we give such words as oh! – The Grammar of English Grammars by Goold Brown