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armature

[ ahr-muh-cher ]
/ ˈɑr mə tʃər /
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noun

Biology. the protective covering of an animal or plant, or any part serving for defense or offense.
Electricity.
  1. the part of an electric machine that includes the main current-carrying winding and in which the electromotive force is induced.
  2. the pivoted part of an electric device, as a buzzer or relay, that is activated by a magnetic field.
  3. the iron or steel applied across the poles of a permanent magnet to close it, or across the poles of an electromagnet to transmit a mechanical force.
Sculpture. a skeletal framework built as a support on which a clay, wax, or plaster figure is constructed.

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Origin of armature

1535–45; (<Middle French ) <Latin armātūra an outfit, armor, equivalent to armāt(us) equipped (see arm2, -ate1) + -ūra-ure
amateur, armature
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for armature

armature
/ (ˈɑːmətjʊə) /

noun

C15: from Latin armātūra armour, equipment, from armāre to furnish with equipment; see arm ²
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

Scientific definitions for armature

armature
[ ärmə-chər ]

The part of an electric motor or generator that consists of wire wound around an iron core and carries an electric current. In motors and generators using direct current, the armature rotates within a magnetic field; in motors and generators using alternating current a magnetic field is rotated about the armature.
A piece of soft iron connecting the poles of a magnet.
The part of an electromagnetic device, such as a relay or loudspeaker, that moves or vibrates.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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