noun Cryp·to·gram·ma \ˌkriptəˈgramə\

Definition of Cryptogramma

  1. :  a genus of ferns (family Polypodiaceae) of arctic and north temperate regions having indusia formed by the revolute margins of fertile fronds that are much taller and have narrower divisions than the sterile ones — see rock brake

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 cryptogramma

New Latin, from crypt- + Greek gramma letter, line of a drawing, from graphein to scratch, write, draw; probably from the lines of sporangia, sometimes hidden by the reflexed margin of the frond — more at carve

Seen and Heard

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


to cast off or become cast off

Get Word of the Day daily email!