: a bump or depression in a road
especially : a ridge or hollow made across a road on a hillside to cause water to run off

Word History


probably from its causing a nodding of the head

First Known Use

1849, in the meaning defined above

Time Traveler
The first known use of thank-you-ma'am was in 1849

Dictionary Entries Near thank-you-ma'am

Cite this Entry

“Thank-you-ma'am.” Dictionary, Merriam-Webster, Accessed 24 Apr. 2024.

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