snail
Americannoun
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any mollusk of the class Gastropoda, having a spirally coiled shell and a ventral muscular foot on which it slowly glides about.
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a slow or lazy person; sluggard.
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Machinery. a cam having the form of a spiral.
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Midwestern and Western U.S. a sweet roll in spiral form, especially a cinnamon roll or piece of Danish pastry.
noun
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any of numerous terrestrial or freshwater gastropod molluscs with a spirally coiled shell, esp any of the family Helicidae, such as Helix aspersa ( garden snail )
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any other gastropod with a spirally coiled shell, such as a whelk
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a slow-moving or lazy person or animal
Other Word Forms
Etymology
Origin of snail
before 900; Middle English snail, snayl ( e ), Old English snegel; cognate with Low German snagel, German (dial.) Schnegel
Explanation
A snail is a small mollusk with a spiral-shaped shell. Snails are famous for moving very slowly, and for leaving a trail of slime behind them. If you see snails on a restaurant menu, they're more likely to be listed as escargot, or "edible snail" in French. There are three general categories of snails: land snails, sea snails, and freshwater snails. They all have shells that they can retreat within—without a shell, a similar animal is instead called a slug. Snail can be traced back to the diminutive form of the Old English snaca, "snake" or "creeping thing."
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"We are surrounded by some of the rarest animals in the world," says snail keeper Dave Clarke, as we step into a room in the zoo's Tiny Giants invertebrate exhibit.
From BBC • Apr. 28, 2026
The most recent record of the snail there dates back to 1991, according to Smithsonian records.
From Slate • Apr. 27, 2026
Part of what’s appealing about snail mail, she said, is remembering that “it’s really nice to devote your entire attention to something.”
From The Wall Street Journal • Mar. 1, 2026
There are close-ups of hands kneading dough, a snail sliming its way up a window and Cathy prodding a jellied fish with her finger.
From Los Angeles Times • Feb. 11, 2026
Runt dipped his head to sniff at a snail.
From "Pax" by Sara Pennypacker
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
