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.
Existing in various forms, the quatrain appears in poems from the poetic traditions of various ancient civilizations including Ancient Greece, Ancient Rome, and China; and, continues into the 21st century, where it is seen in works published in many languages.xisting in various forms, the quatrain appears in poems from the poetic traditions of various ancient civilizations including Ancient Greece, Ancient Rome, and China; and, continues into the 21st century, where it is seen in works published in many languages.