plural concussion grenades
Definition of concussion grenade
: a grenade that produces its effect by the blast of its detonation rather than from the fragmentation of its casing
also
: flash-bang
Keep scrolling for more
Test Your Vocabulary
Who Knew?
-
- What is a ruelle?

Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share concussion grenade
Time Traveler for concussion grenade
The first known use of concussion grenade was in 1917
See more words from the same year