SINCE 1828
mare nostrum
noun
ma·re no·strum
| \ ˈmär-(ˌ)ā-ˈnōs-trəm
\
\
Definition of mare nostrum
: a navigable body of water (such as a sea) that belongs to a single nation or is mutually shared by two or more nations
Keep scrolling for more
Comments on mare nostrum
What made you want to look up mare nostrum? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Homophone Quiz
-
- In order to judge how people felt, the senator's office hired a firm to take a
______.
Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
-
Homophone Quiz
More/moor than/then two/too/to.
Take the quiz -
Liar, Liar Quiz
Test your knowledge of words for lies, liars, and those being lied to. In other words, everyone.
Take the quiz -
Name That Thing
Test your visual vocabulary with our 10-question challenge!
Take the quiz -
Bee Cubed
Listen to the words and spell through all three levels.
Play the game
Share mare nostrum
Resources for mare nostrum