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: circa 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
Seen and Heard
What made you want to look up astragalus? Please tell us where you read or heard it (including the quote, if possible).