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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Origin and Etymology of aaron's–beard
so called from the reference to the patriarch Aaron's beard in Psalms 133:2
First Known Use: 1820See Words from the same year
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