noun Mni·um \ˈnīəm\

Definition of Mnium

  1. :  a genus of mosses (family Mniaceae) resembling Bryum but larger and with usually horizontal capsules

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 mnium

New Latin, from Greek mnion moss, seaweed; akin to Greek mnoos, mnous soft down, mateisai, feminine plural, walking, stepping, Middle Irish men meal, Welsh mathru to trample, Sanskrit carnamna tanner, Lithuanian miniava close turf, minti to step

Seen and Heard

What made you want to look up Mnium? 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!