Definition of anthomaniac in English:

anthomaniac

noun

rare
  • A person who is (excessively) passionate or enthusiastic about flowers.

Origin

Mid 19th century; earliest use found in Horatio Smith (1779–1849), writer and humorist. From antho- + -maniac, after anthomania.

Pronunciation

anthomaniac

/ˌanθə(ʊ)ˈmeɪnɪak/