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

Word History


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

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!

Dictionary Entries Near bluejack

Cite this Entry

“Bluejack.” Dictionary, Merriam-Webster, Accessed 17 Apr. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!