Definition of sonnettomania in US English:

sonnettomania

(also sonnetomania, sonettomania)

noun

rare, historical
  • Great enthusiasm for sonnets; extreme fondness for the sonnet as a literary form.

Origin

Early 19th century; earliest use found in The New Monthly Magazine. From sonnet + -o- + -mania.

Pronunciation

sonnettomania

/səˌnɛtə(ʊ)ˈmeɪnɪə/