Definition of liliaceous in English:

liliaceous

adjective

Botany
  • Relating to or denoting plants of the lily family ("Liliaceae"). These have elongated leaves that grow from a corm, bulb, or rhizome.

Origin

Mid 18th century: from modern Latin Liliaceae (plural), based on Latin lilium lily + -ous.

Pronunciation:

liliaceous

/ˌlilēˈāSHəs/