maidenhair

noun
maid·​en·​hair | \ ˈmād-ᵊn-ˌha(ə)r, -ˌhe(ə)r How to pronounce maidenhair (audio) \

Medical Definition of maidenhair

: any of the genus Adiantum of ferns including two North American forms (A. pedatum and the Venushair, A. capillus-veneris) that have been used in the preparation of expectorants and demulcents

called also maidenhair fern

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