A sonnet is a quatorzain, or a 14-line poem.
the yellow one
a sixteen line poem is a sixteen line poem, not a sonnet, consisting of fourteen lines.
couplet
couplet
A sonnet typically consists of 14 lines. The most common meter for a sonnet is iambic pentameter, which means each line has 10 syllables with a stress on every second syllable.
All the lines rhyme with some other line.
An Italian sonnet is made of 14 lines: two tercets (three lines each) and two quartains (4 lines each)
An eighteen line poem is aclled as "SONNET."
A Shakespearean sonnet has three quatrains (four-line stanzas) followed by a rhyming couplet (two-line stanza) at the end. This structure is also known as the English sonnet.
This is a sonnet, provided other requirement are met-- there must be a definite rhyme scheme and I think, 10 syllable per line( this may not be necessary, but surely all lines must have the same number of syllables.
The last two lines of a Shakespearean sonnet are called a couplet. They are the only adjacent lines which rhyme with each other, the others rhyming alternately. In a Petrarchan sonnet the last two lines form part of a six-line unit called a sestet