I'm just guessing that maybe you are referring to a male name Kaz, or Kazu, which is normally an abbreviated version (nickname) of longer names such as Kazuo, Kazuhiro, Kazuhiko, Kazutoshi, etc., etc., there are many male names that start with kazu-.
Definition of Quatrain. A quatrain is a verse with four lines, or even a full poem containing four lines, having an independent and separate theme. Often one line consists of alternating rhyme, existing in a variety of forms.
quart noun [C] uk / kwÉËt / us written abbreviation qt âº MEASURES a unit of measurement for liquids, equal to approximately 1.14 litres in Britain, or 0.95 litres in the US: Consumption of ice cream and frozen desserts in the U.S. fell from 22.7 quarts per person in 2000 to 20.3 quarts per person in 2005. (Definition of âquartâ from the Cambridge Business English Dictionary Â© Cambridge University Press)