consuetudo

noun

con·​sue·​tu·​do

ˌkän(t)swə̇ˈt(y)üdō

plural consuetudines

-dᵊnˌēz

: a custom or usage

especially : one having essentially the force of law

Word History

Etymology

Latin, custom

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!