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Aaron's-beard

noun Aar·on's-beard

Definition of Aaron's-beard

plural Aaron's-beards
: 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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Origin and Etymology of aaron's-beard

so called from the reference to the patriarch Aaron's beard in Psalms 133:2

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