Polytrichaceae

plural noun
Po·​lyt·​ri·​cha·​ce·​ae | \pəˌli‧trəˈkāsēˌē\

Definition of Polytrichaceae 

: a family of usually large acrocarpous mosses (order Polytrichales) that have simple or branching erect shoots growing from an underground stem, leaves with the costae bearing longitudinal lamellae of variable structure, antheridia borne in conspicious saucer-shaped terminal rosettes, and capsules which are characteristically angular in cross section with a peristome several cells thick — see pogonatum , polytrichum

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 Polytrichaceae

polytrichaceous \ ⸗¦⸗⸗¦kāshəs \ adjective

History and Etymology for Polytrichaceae

New Latin, from Polytrichum, type genus + -aceae

Keep scrolling for more

Learn More about Polytrichaceae

Share Polytrichaceae

Statistics for Polytrichaceae

Look-up Popularity

Comments on Polytrichaceae

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

WORD OF THE DAY

noxious or harmful

Get Word of the Day daily email!

Test Your Vocabulary

A Thanksgiving Word Quiz

  • a-traditional-thanksgiving-dinner
  • November comes from a word for which of the following numbers?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Dictionary Devil

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

TAKE THE QUIZ

Love words? Need even more definitions?

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