syn·​usia | \ sə̇ˈn(y)üzh(ē)ə, -zēə \
plural synusiae\ -​z(h)ēˌē \

Definition of synusia

: a structural unit of a major ecological community characterized by relative uniformity of life-form or of height and usually constituting a particular stratum of that community the herbaceous synusia of open forest

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 synusia

synusial adjective

History and Etymology for synusia

New Latin, from Greek synousia social intercourse, society, company, from synous- (participle stem of syneinai to come together, assemble, gather, from syn- + einai to be) + -ia -y

Keep scrolling for more

Learn More about synusia

Statistics for synusia

Cite this Entry

“Synusia.” Dictionary, Merriam-Webster, Accessed 29 Oct. 2020.

Comments on synusia

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


Test Your Vocabulary

Here Be Dragons: A Creature Identification Quiz

  • monster werewolf photo
  • Which is a synonym of werewolf?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

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!