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
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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