SINCE 1828
dictionary
thesaurus

bluejack

noun
Save Word
blue·​jack | \ ˈblüˌjak \
variants: or less commonly bluejack oak

Definition of bluejack

: an oak (Quercus cinerea) of the southern U.S. with entire cuneate leaves and numerous small acorns

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 bluejack

blue entry 1 + -jack (as in blackjack oak); from the ashy appearance of the foliage

Learn More About bluejack

Dictionary Entries Near bluejack

Blue Island

bluejack

bluejacket

See More Nearby Entries 

Statistics for bluejack

Cite this Entry

“Bluejack.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bluejack. Accessed 27 Jun. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

jingoism

Listen to the pronunciation of jingoism

See Definitions and Examples »

Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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