noun Hy·me·no·phyl·lum

Definition of Hymenophyllum

  1. :  a genus (the type of the family Hymenophyllaceae) of tropical hygrophytic and usually epiphytic ferns distinguished from Trichomanes by having the valves of the involucre bearing the sporangia separate

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of hymenophyllum

New Latin, from hymen- + -phyllum

Seen and Heard

What made you want to look up Hymenophyllum? Please tell us where you read or heard it (including the quote, if possible).


capable of being understood in two ways

Get Word of the Day daily email!