sapstreak

noun

: a fungal disease of sugar maple caused by a fungus (Endoconidiophora virescens) and characterized by death of the crown from the top down and radial water-soaked reddish or gray streaks across the sapwood

Word History

Etymology

sap entry 1 + streak

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!