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.
quail. n, pl quails or quail. 1. (Animals) any small Old World gallinaceous game bird of the genus Coturnix and related genera, having a rounded body and small tail: family Phasianidae (pheasants). 2. (Animals) any of various similar and related American birds, such as the bobwhite.