Definition of papilionaceous in English:


Syllabification: pa·pil·i·o·na·ceous
Pronunciation: /pəˌpilēəˈnāSHəs


  • Of, relating to, or denoting leguminous plants of a group (subfamily Papilionoideae or family Papilionaceae) with flowers that resemble a butterfly.
    More example sentences
    • The flowers have a typical papilionaceous corolla.
    • Flowers of normal plants are typically papilionaceous with a large standard petal, two free-wing petals, and two fused-keel petals.
    • The corolla of Trigonellinae is typically papilionaceous, comprising a standard petal, two wing petals and a keel made up of two marginally fused petals.


mid 17th century: from modern Latin Papilionaceae (plural), based on Latin papilio 'butterfly', + -ous.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
elaborate ornamentation of a vocal melody

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