plural noun
Grim·​mi·​a·​ce·​ae | \ ˌgrimēˈāsēˌē\

Definition of Grimmiaceae

: a family of acrocarpous mosses that have the capsule on a short stalk and with a single peristome the teeth of which are often split or perforated and that form dark mats or cushions lacking chlorophyll except at the tips of stems and branches

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.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Other Words from Grimmiaceae

grimmiaceous \ ¦grimē¦āshəs \ adjective

History and Etymology for Grimmiaceae

New Latin, from Grimmia, type genus + -aceae

Keep scrolling for more

Comments on Grimmiaceae

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


to shake or wave menacingly

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
True or False

Test your knowledge - and maybe learn something along the way.

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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