sonnet
Concise Oxford English Dictionary © 2008 Oxford University Press:
sonnet/ˈsɒnɪt/
▶noun a poem of fourteen lines using any of a number of formal rhyme schemes, in English typically having ten syllables per line. ▶verb (sonnets, sonneting, sonneted) archaic compose sonnets.
– origin C16: from Fr., or from Ital. sonetto, dimin. of suono ‘a sound’.
'sonnet' also found in these Oxford entries:

