Decasyllabic quatrain Decasyllabic quatrain Decasyllabic quatrain is a term used for a poetic form in which each stanza consists of four lines of ten syllables each, usually with a rhyme scheme of AABB or ABAB. Examples of the decasyllabic quatrain in heroic couplets appear in some of the earliest texts in the English language, as Geoffrey Chaucer created the heroic couplet and used it in "The Canterbury Tales". The alternating form came to prominence in late 16th-Century English poetry and became fashionable in the 17th Century when it appeared in heroic poems by William Davenant and John Dryden. In the 18th Century
Tercet Tercet A tercet is composed of three lines of poetry, forming a stanza or a complete poem. English-language haiku is an example of an unrhymed tercet poem. A poetic triplet is a tercet in which all three lines follow the same rhyme, AAA; triplets are rather rare; they are more customarily used sparingly in verse of heroic couplets or other couplet verse, to add extraordinary emphasis. Other types of tercet include an enclosed tercet where the lines rhyme in an ABA pattern and terza rima where the ABA pattern of a verse is continued in the next verse by making