Ad·​i·​an·​tum ˌad-ē-ˈant-əm How to pronounce Adiantum (audio)
: a genus of ferns (family Polypodiaceae) with delicate palmately branched fronds comprising the maidenhair ferns and including two North American forms (A. pedatum and the Venus hair fern A. capillus-veneris) that have been used in the preparation of expectorants and demulcents

Dictionary Entries Near Adiantum

Cite this Entry

“Adiantum.” Medical Dictionary, Merriam-Webster, Accessed 26 Mar. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love It or Hate It

  • heart-fire
  • When asked about her blind date, Carol spoke for hours with vitriol.
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?