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diner

American  
[dahy-ner] / ˈdaɪ nər /

noun

  1. a person who dines.

  2. a railroad dining car.

  3. a restaurant built like such a car.

  4. a small, informal, and usually inexpensive restaurant.


diner British  
/ ˈdaɪnə /

noun

  1. a person eating a meal, esp in a restaurant

  2. a small restaurant, often at the roadside

  3. a fashionable bar, or a section of one, where food is served

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of diner

First recorded in 1800–10; dine + -er 1

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.

But demand for a table explodes during one of the 13 nights when the Yuletide Carolers come around to sing tableside to each diner.

From Salon • Mar. 10, 2026

On the way out, after one fellow diner tells Domingo he’s a fan, the actor teases another who tries to play it cool after spotting the star.

From The Wall Street Journal • Mar. 10, 2026

And because of L.A.’s moderate climate, the ones here stay the way they are; whereas if you get 18 feet of winter snow, you tend to wear down the diner floor, seats, everything.

From Los Angeles Times • Feb. 27, 2026

The hard-to-please young diner is a recent phenomenon.

From The Wall Street Journal • Feb. 20, 2026

Dr. Morales explained this to them that night, when he stopped by the diner.

From "I Survived the Eruption of Mount St. Helens, 1980" by Lauren Tarshis