moat

noun

ˈmōt 

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

ˈmō-təd 

adjective

moatlike

ˈmōt-ˌlīk 

adjective

Illustration of moat

• moat 1

Examples of moat in a Sentence

Recent Examples on the Web

Its global reach, omnichannel capabilities, and secure end-to-end solutions create high switching costs for multinational clients, reinforcing its competitive moat. —Justin Zacks, CNBC, 27 Mar. 2026

Paul Faust, who lives in the Darlington area of Ligonier Township, has a small tributary to the Loyalhanna Creek in his backyard, but on Friday, that run was acting less like a stream and more like a moat. —Chris Hoffman, CBS News, 27 Mar. 2026

Sticky barriers or water moats can also prevent ants from reaching common destinations, such as plants and counters, according to the University of Minnesota Extension. —Caden Perry, jsonline.com, 24 Mar. 2026

This is the strategic moat that most investors are ignoring. —Vivek Ranadive, Fortune, 14 Mar. 2026

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

Rhymes for moat

• bloat
• boat
• choate
• coat
• cote
• dote
• float
• gloat
• goat
• groat
• haute
• mote

Kids Definition

moat

noun

ˈmōt 

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