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seatmate

American  
[seet-meyt] / ˈsitˌmeɪt /

noun

  1. a person who shares a seat or occupies the seat next to oneself on a bus, plane, etc.


Etymology

Origin of seatmate

An Americanism dating back to 1855–60; seat + mate 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.

That seatmate turned out to be Jean-Louis Dumas, then the chief executive of Hermès.

From The Wall Street Journal • Oct. 9, 2025

In an interview after the game with ESPN, Capobianco said that his actions and those of his seatmate, John Peter, were premeditated.

From Los Angeles Times • Oct. 30, 2024

Meanwhile, Mr Davis’ seatmate Toby Pearl, from Wales, was providing CPR to a passenger who was unconscious.

From BBC • May 28, 2024

On the flight to Nashville, my seatmate, a nurse and a practicing Catholic, clocking my reading material, confessed her love for Kingsbury.

From New York Times • Mar. 29, 2024

Just as I guessed, the papers in front of her and her seatmate, Zhang Jie, were also blank.

From "Red Scarf Girl: A Memoir of the Cultural Revolution" by Ji-li Jiang