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spotter

American  
[spot-er] / ˈspɒt ər /

noun

  • spotters
    plural
  1. a person employed to remove spots from clothing, especially at a dry-cleaning establishment.

  2. (in civil defense) a civilian who watches for enemy airplanes.

  3. Informal. a person employed to watch the activity and behavior of others, especially employees, as for evidence of dishonesty.

  4. Military. an observer at a forward position who singles out targets for gunners.

  5. a person or thing that spots.

  6. (in small-arms practice firing) a small black disk attached to the target to make more prominent the places where a bullet has hit.

  7. an assistant to a sportscaster who provides the names of the players chiefly involved in each play of a game, especially a football game.

  8. Gymnastics, Tumbling. a person who is stationed in the most effective place to guard against an injury to a performer in the act of executing a maneuver.


spotter British  
/ ˈspɒtə /

noun

    1. a person or thing that watches or observes

    2. ( as modifier )

      a spotter plane

  1. a person who makes a hobby of watching for and noting numbers or types of trains, buses, etc

    a train spotter

  2. military a person who orders or advises adjustment of fire on a target by observations

  3. a person, esp one engaged in civil defence, who watches for enemy aircraft

  4. informal an employee assigned to spy on his colleagues in order to check on their honesty

  5. films

    1. a person who checks against irregularities and inconsistencies

    2. a person who searches for new material, performers, etc

"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

Other Word Forms

Noun Inflected Forms

Etymology

Origin of spotter

First recorded in 1605–15; spot + -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.

See Examples For:

Chuckling, he points at his rival spotter: "But I beat him by a second."

From BBC Aug. 8, 2026

The macro and thematic equity research group was founded by investor and trend spotter James van Geelen, who identified AI as a game changer in 2022 and spotted diet drugs early in 2023.

From MarketWatch Feb. 12, 2026

The surge of immigration detention flights at Minneapolis-Saint Paul airport spurred plane spotter Nick Benson to shift from tracking rare and unusual aircraft to cataloging the removal of detainees from Minnesota.

From Barron's Jan. 29, 2026

He would be driving a spotter car mounted with plate readers.

From The Wall Street Journal Oct. 28, 2025

A spotter reads coordinates into the headpiece, and an artilleryman repeats them back.

From "All the Light We Cannot See" by Anthony Doerr

Another low-tech solution used successfully in nearby Cape Town is to position spotters, akin to lifeguards, to look out for sharks.

From The Wall Street Journal May 31, 2026

Kane and her fellow spotters publish the locations of officers and raids underway in an effort to document arrests and de-escalate the encounters with their presence.

From Barron's Jan. 28, 2026

Ok was especially alarmed to see forklifts, which are responsible for a significant number of construction deaths, speeding around, often unaided by required spotters.

From The Wall Street Journal Oct. 12, 2025

Now there’s spotters to make sure no hawks are nearby.

From Los Angeles Times Jul. 23, 2025

On the roofs of the ambulances were spotters with binoculars.

From "Catch-22" by Joseph Heller

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