QUADS

noun

1. Four shots of espresso.
2. A kind of round-robin tournament between four players, where each participant plays every other participant once.
3. The Bible, Book of Mormon, Doctrine and Covenants, and Pearl of Great Price bound in a single volume.

noun

1. A quadrangle (courtyard).
2. A quadruplet (infant).
3. A quadrilateral.

noun

1. A quad bike (from quadricycle)
2. Abbreviation of quadrillion BTU. (1015 BTU)