Definition
nounA deep, wide defensive ditch, normally filled with water, surrounding a fortified habitation.
nounAn aspect of a business which makes it more "defensible" from competitors, because of the nature of its products, services or franchise or for some other reason.
Sentence Examples
Most castles have a moat surrounding them.
Many castles are encircled by a moat.
A moat was dug around the castle to thwart attackers.
Word Origin & History
From Middle English mote, from Old French mote (“mound, embankment”); compared also to Old French motte (“hillock, lump, clod, turf”), from Medieval Latin mota (“a mound, hill”), of Germanic origin, perhaps via Frankish *mot, *motta (“mud, peat, bog, turf”), from Proto-Germanic *mutô, *mudraz, *muþraz (“dirt, filth, mud, swamp”), from Proto-Indo-European *(s)mut- (“dark, dirty”).
Cognate with Alemannic German Mott, Mutte (“peat, turf”), Bavarian Mott (“peat, turf”), dialectal Dutch mot (“dust, fine sand”), Saterland Frisian mut (“grit, litter, humus”), Swedish muta (“to drizzle”), Old English mot (“speck, particle”). More at mote, mud, smut.
As term for a business strategy, popularized by American investor Warren Buffett.
Literary Quotations & Historical Citations
"No matter how good your company's product is or how quickly the industry is growing, if there is no moat, competitors will invade your castle and burn it down."
— 2013, John Mauldin, Jonathan Tepper, Code Red: How to Protect Your Savings From the Coming Crisis, John Wiley & Sons, →ISBN:
"“I think ‘moats’ are lame,” Mr. Musk had said during a Tesla earnings call. It was a criticism of an economic principle that Mr. Buffett had coined in 1999 and that has become something of a mantra for his faithful: Invest in businesses “that have wide, sustainable moats around them.”"
— 2018 May 7, Andrew Ross Sorkin, quoting Elon Musk, “Elon Musk Wants to Fill Warren Buffett’s ‘Moat’ With Candy, but It Still Holds Water”, in The New York Times, →ISSN:
"Moreover, where older firms might have to stave off competitors and engage in practices like predatory pricing to keep the competition at bay, platform monopolies have a built-in moat. Since a platform’s value comes from its number of users—a phenomenon known as the network effect—competing against large platforms is nigh impossible since its monopoly position makes it inherently more useful."
— 2023 November 28, JS Tan, “It's All Bullshit”, in The Baffler: