observator

noun

ob·​ser·​va·​tor

ˈäbzərˌvātər,

-bsə-,

-zə(r)ˌvātə(r),

-ātə-

plural -s

: observer

Word History

Etymology

Middle French observateur, from Latin observator, from observatus (past participle of observare) + -or

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!