Origin and Etymology of astragalus
New Latin, from Latin, from Greek astragalos neck vertebra, ankle joint, milk vetch (from the vertebra-like appearance of the flower clusters)
First Known Use: 1541
Medical Definition of astragalus
1: one of the proximal bones of the tarsus of the higher vertebrates—see talus 1
2: the dried root of an Asian herb (Astragalus membranaceus synonym A. propinquus) used especially as an herbal remedy in traditional Chinese medicine; also : a preparation or extract of this root
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