Quaternion (poetry)
Quaternion is a poetry style in which the theme is divided into four parts.Characteristics
Each part of a quaternion explores the complementary natures of the theme or subject. The word quaternion is derived from the Latin word quaterni, meaning "four by four". The poem may be in any poetic form and 'offers poets the chance to experiment with varied rhetorical structures'.Examples
, America's first significant female poet, wrote four quaternions: