Tracaulon

noun

Tra·​cau·​lon

trəˈkȯˌlän,

-lən

in some classifications

: a genus of herbaceous vines (family Polygonaceae) occurring in North America and Asia, having prickly or bristly stems, prickly veined leaves mostly hastate or cordate at the base, racemose flowers, and angled fruits, and being commonly included in the genus Polygonum

Word History

Etymology

New Latin, probably from trachy- + Greek kaulos stem, stalk

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!