moat

noun

Synonyms of moatnext
1
: a deep and wide trench around the rampart of a fortified place (such as a castle) that is usually filled with water
The moat can be crossed by a drawbridge.
2
: a channel resembling a moat (as about a seamount or for confinement of animals in a zoo)
A Bengal tiger stared at me from across the moat.
moated adjective
moatlike adjective

Illustration of moat

Illustration of moat
  • moat 1

Examples of moat in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Nature protects history and human life Inside the remarkable medieval settlement, archaeologists found moats, remains of buildings, and artifacts, 244 to be exact, including 66 knives, sickles, iron coulters, arrowheads, spearheads, and personal accessories were identified, as per Heritage Daily. Maria Mocerino, Interesting Engineering, 1 Mar. 2026 Jefferies analysts, led by Peramunetilleke, found that MongoDB’s moat could get disrupted if AI coding tools weaken database selection, leaving developers less tied to a single database architecture as switching costs decline. Pia Singh, CNBC, 1 Mar. 2026 Install an Ant Moat Ant moats are little basins that hold water that are hung above hummingbird feeders. Peg Aloi, The Spruce, 7 Feb. 2026 Impact on China services, capital expenditure volatility, lack of a real moat like ASML. Trefis Team, Forbes.com, 30 Jan. 2026 See All Example Sentences for moat

Word History

Etymology

Middle English mote, from Anglo-French mote, motte mound, moat

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of moat was in the 15th century

Browse Nearby Words

Cite this Entry

“Moat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moat. Accessed 3 Mar. 2026.

Kids Definition

moat

noun
: a deep wide trench around the walls of a castle or fortress that is usually filled with water

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