Definition of iridaceous in English:

iridaceous

adjective

Botany
  • Relating to or denoting plants of the iris family (Iridaceae), which grow from bulbs, corms, or rhizomes.

Origin

Mid 19th century: from modern Latin Iridaceae (plural), based on Greek iris, irid- rainbow, + -ous.

Pronunciation

iridaceous

/ˌɪrɪˈdeɪʃəs//ˌʌɪrɪˈdeɪʃəs/