Meaning of qt.

qt.

Pronunciation: [key]
— pl. qt., qts.
  1. quantity.
  2. quart.

q.t.

Pronunciation: [key]
— Informal. Informal.
  1. quiet.
  2. stealthily; secretly: to meet someone on the q.t.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.