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• servo
  servo

  adjective

  acting as part of a servomechanism.
• servo-
  servo-

  a combining form used in the names of devices or operations that employ a servomechanism.

servo

¹ American  

[sur-voh] / ˈsɜr voʊ /

adjective

1. acting as part of a servomechanism.

   servo amplifier.

2. pertaining to or having to do with servomechanisms.

   servo engineer.

3. noting the action of certain mechanisms, as brakes, that are set in operation by other mechanisms but which themselves augment the force of that action by the way in which they operate.

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noun

• servos
  plural

1. Informal. servomechanism.

verb (used with object)

servoed, servoing

1. to connect (a mechanism) to another as a servomechanism.

servo- ² American  

1. a combining form used in the names of devices or operations that employ a servomechanism.

   servocontrol.

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servo ¹ British  

/ ˈsɜːvəʊ /

adjective

1. (prenominal) of, relating to, forming part of, or activated by a servomechanism

   servo brakes

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noun

1. informal short for servomechanism

servo ² British  

/ ˈsɜːvəʊ /

noun

1. informal a service station

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Other Word Forms

Noun Inflected Forms

• servos
  plural

Etymology

Origin of servo¹

1945–50; independent use of servo-, taken as an adj., or shortening of words formed with it

Origin of servo-²

Extracted from servomotor

Example Sentences

See Examples For:

servo servos

A key component of that system is a servo motor that moves the rudder as commanded, made by Collins Aerospace, a unit of aerospace giant RTX, formerly known as Raytheon.

From Seattle Times ● Mar. 7, 2024

What goes up must come down — and hard, when dealing with a 95-pound hunk of 3D printed plastics, aluminum, sensors, microprocessors and servo motors catapulted dozens of feet above ground.

From Los Angeles Times ● Jun. 29, 2021

A combination of extreme maneuvering, high speed, weight and altitude also can lead to a phenomenon known as servo transparency, he said.

From Washington Times ● Dec. 14, 2018

Since the advent of hydraulic or electro servo control systems this has become more and more entrenched.

From New York Times ● Nov. 27, 2018

The horrible but pithy dialogue reads: "Pone crucem servo."

From The Journal of Negro History, Volume 5, 1920 by Various

And so Bruton came up with an intricate system of motors and gears, to function as servos, moving parts whose position can be monitored and controlled.

From BBC ● Feb. 5, 2026

Inside its tiny head — about the size of a grapefruit — complex mechanics with around 25 servos were meant to produce subtle facial expressions.

From Los Angeles Times ● Apr. 15, 2025

Filled with sensors and servos, Aibo’s adorable movements, lifelike responses, and undeniable status as a good robot dog won our hearts this year.

From The Verge ● Jan. 11, 2018

"Most items we used in there are literally servos from your kid's remote-control airplane," Kramer said.

From Reuters ● Sep. 29, 2013

Therefore, these servos had been designed as the ultimate in fail-safe, fool-proof control to maintain the orientation of the mirror always within one tenth of one degree of the center of Sol.

From Where I Wasn't Going by Walt Richmond