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. n. 1. Abbr. qt. or q. a. A unit of volume or capacity in the US Customary System, used in liquid measure, equal to 1 / 4 gallon or 32 ounces (0.946 liter). b. A unit of volume or capacity in the US Customary System, used in dry measure, equal to 1 / 8 peck or 2 pints (1.101 liters).