Definition of the Pentagon
1 : the building in Washington, D.C., that is the headquarters of the U.S. Department of Defense
2 : the leaders of the U.S. military There was disagreement between the President and the Pentagon over the new military budget.
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
You're (Probably) Saying It Wrong
18 words even you might be mispronouncing
Great Big List of Beautiful & Useless Words
Along with their degrees of usefulness
What's the Difference?
These words shouldn't be used interchangeably
Words For Things You Didn't Know Have Names
When 'thingamajig' and 'thingamabob' just won't do
Ask the Editors