n :  a genus of ferns (family Polypodiaceae) with delicate palmately branched fronds comprising the maidenhair ferns and including two No. American forms (A. pedatum and the Venushair A. capillus-veneris) that have been used in the preparation of expectorants and demulcents .
 
 
 
Similar sounding terms:  ad·e·no·tome  ad·e·not·o·my 
 
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