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[sur-voh] /ˈsɜr voʊ/
acting as part of a servomechanism:
servo amplifier.
pertaining to or having to do with servomechanisms:
servo engineer.
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.
noun, plural servos.
Informal. servomechanism.
verb (used with object), servoed, servoing.
to connect (a mechanism) to another as a servomechanism.
Origin of servo
1945-50; independent use of servo-, taken as an adj., or shortening of words formed with it


a combining form used in the names of devices or operations that employ a servomechanism:
extracted from servomotor Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for servo
Historical Examples
  • A servo mechanism somewhere in the ship started a small motor.

    First on the Moon Jeff Sutton
  • He bowed, "servo suo, Signora Virginia," and opened the door for her.


    Anna Miller Costantini
  • With slow precision he set the servo fixes on the huge gray hulk looming up in the viewer, and then snapped the switches sharply.

    Derelict Alan Edward Nourse
  • The servo motors whined a bit as the detector unit came to life and tightened the grasp of the cuffs, limiting his movement.

    The Ethical Engineer Henry Maxwell Dempsey
  • Walker says he's got a half dozen mirrors cracked or pitted, and Hoffman on bank three wants you to replace a servo motor.

    All Day September Roger Kuykendall
  • "It would take a pretty big one to damage a servo bearing," Cade commented.

    All Day September Roger Kuykendall
  • Non licet homini, says Theodores Penitential, a servo tollere pecuniam, quam ipse labore suo adquesierit.

    Domesday Book and Beyond

    Frederic William Maitland
  • That is what a man may call climbing up, I hope, when a poetical roaring blade cuts out your 'servo suo' in that fashion.

    Little Novels of Italy Maurice Henry Hewlett
  • The girl mech put a small plastic hand on the servo's shoulder.

    The Love of Frank Nineteen David Carpenter Knight
  • The drone, on the far side of the moon, was decelerating, dropping as servo mechanisms operating on timers activated its blasters.

    First on the Moon Jeff Sutton
British Dictionary definitions for servo


(prenominal) of, relating to, forming part of, or activated by a servomechanism: servo brakes
noun (pl) -vos
(informal) short for servomechanism
Word Origin
see servomotor


noun (pl) -vos
(Austral, informal) a service station
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
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Word Origin and History for servo

1910, from servo-motor (1889), from French servo-moteur (1873), ultimately from Latin servus "slave" (see serve (v.)) + motor "mover" (see motor (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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