Aaron's-beard

noun

Aar·on's-beard

plural Aaron's-beards

Definition of Aaron's-beard

: any of several plants having numerous stamens or threadlike runners: such as

a : great saint-john's-wort

b : jerusalem star

c : strawberry geranium

d : kenilworth ivy

e or Aaron's-beard cactus : a cactus (Opuntia leucotricha) that has white hairs on its joints

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The first known use of Aaron's-beard was in 1820

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