Definition of gray oak
1 : scarlet oak
2 : red oak sense 1a
3 : a low scrubby live oak (Quercus grisea) of the southwestern U.S. having dark gray furrowed bark and entire dusty gray-blue leaves
Test Your Vocabulary
Slippery Words Quiz—Changing with the Times
- What is an earlier meaning of nice?

Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Spell words. Make bears.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Share gray oak