ar·​ma·​ture | \ ˈär-mə-ˌchu̇r How to pronounce armature (audio) , -chər, -ˌtyu̇r, -ˌtu̇r \

Definition of armature

1 : an organ or structure (such as teeth or thorns) for offense or defense
2a : a piece of soft iron or steel that connects the poles of a magnet or of adjacent magnets
b : a usually rotating part of an electric machine (such as a generator or motor) which consists essentially of coils of wire around a metal core and in which electric current is induced or in which the input current interacts with a magnetic field to produce torque
c : the movable part of an electromagnetic device (such as a loudspeaker)
d : a framework used by a sculptor to support a figure being modeled in a plastic material
e : framework sense 1a events that serve as the armature of the book

Examples of armature in a Sentence

the rigid armature of a highly stratified society
Recent Examples on the Web Hidden even deeper inside is the armature Lyon used, which Pratt recently refurbished. Jake Sheridan, Chicago Tribune, 17 Aug. 2022 The book’s armature is a trove of communist-era StB records, including interrogations of Mr. Koecher and reports from the series of handlers who evaluated his material and his character. Edward Kosner, WSJ, 25 Aug. 2022 The complete Westone Mach range extends up to the Mach 80 model, which has eight balanced armature drivers in each earpiece, giving a wide frequency response and detailed sound. Mark Sparrow, Forbes, 3 Aug. 2022 Insert armature wire into the sides of the pumpkin as shown to create a decorative handle. Charlyne Mattox, Country Living, 15 July 2022 At the heart of the innovative driver assembly is an all-new dual-diaphragm balanced armature driver from Knowles Corporation. Mark Sparrow, Forbes, 13 May 2022 The architects made similar cuts to the southern end of the building, adding skylights and taking away concrete panels to reveal part of the building’s armature, an X-shaped frame made of steel, making for a remarkable portal into the structure. Los Angeles Times, 26 Apr. 2022 The company makes the incredibly intricate balanced armature drivers that use to be used exclusively in hearing aids but are now being used more widely in higher-end earphones. Mark Sparrow, Forbes, 18 May 2022 The balanced armature works in tandem with a 7.2mm dynamic driver that takes care of the lower frequencies. Mark Sparrow, Forbes, 9 Apr. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'armature.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of armature

1653, in the meaning defined at sense 1

History and Etymology for armature

Middle English, "armor, armed force," borrowed from Latin armātūra "armament, troop" (Medieval Latin, "suit of armor, defensive equipment of an animal"), from armātus, past participle of armāre "to arm entry 2, equip" + -ūra -ure

Learn More About armature

Time Traveler for armature

Time Traveler

The first known use of armature was in 1653

See more words from the same year

Dictionary Entries Near armature



armature reaction

See More Nearby Entries 

Statistics for armature

Last Updated

10 Sep 2022

Cite this Entry

“Armature.” Dictionary, Merriam-Webster, Accessed 2 Oct. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for armature


ar·​ma·​ture | \ ˈär-mə-chər How to pronounce armature (audio) \

Kids Definition of armature

: the part of an electric motor or generator that turns in a magnetic field

More from Merriam-Webster on armature

Britannica English: Translation of armature for Arabic Speakers Encyclopedia article about armature


Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
Spell It

Can you spell these 10 commonly misspelled words?

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!