Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

emissarium

noun
em·​is·​sar·​i·​um | \ ˌeməˈsa(a)rēəm\
plural emissaria\ -​ēə \

Definition of emissarium

: a subterranean channel used by the ancient Romans for the drainage of a lake lacking a natural outlet

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!

History and Etymology for emissarium

Latin, from emissus (past participle of emittere to send out) + -arium

Keep scrolling for more

Learn More about emissarium

Share emissarium

Dictionary Entries near emissarium

E minor

emir

emirate

emissarium

emissary

emissile

emission

Statistics for emissarium

Look-up Popularity

Comments on emissarium

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

Show Comments  Hide Comments 

WORD OF THE DAY

wherewithal

means, resources, or money

Get Word of the Day daily email!

Test Your Vocabulary

Homophone Quiz

  • three-bears-two-of-them-look-like-theyre-whispering-to-a-third-bear-who-looks-chuffed-to-be-the-center-of-attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

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!

Words at Play

Ask the Editors

Word Games