Definition of iridaceous in English:

iridaceous

Syllabification: ir·i·da·ceous
Pronunciation: /ˌirəˈdāSHəs
 
/

adjective

Botany
Of, 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.

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