breastplate

noun

breast·​plate ˈbres(t)-ˌplāt 

1

: a usually metal plate worn as defensive armor for the breast see armor illustration

2

: a vestment worn in ancient times by a Jewish high priest and set with 12 gems bearing the names of the tribes of Israel

3

: a piece against which a worker's breast is pressed in operating a tool (such as a breast drill)

Examples of breastplate in a Sentence

Recent Examples on the Web

At the Sceners Gallery on the eastern edge of Paris, far from the Metropolitan Museum, where Kim Kardashian arrived at the Met Gala in a metallic orange breastplate with pert breasts and curvaceous hips, there are several examples of the art that inspired her. —Amy Verner, Vogue, 7 May 2026

Kardashian, in a skin-tight orange breastplate bodysuit with an open-front skirt, rocked a shoulder-length dirty blonde lob. —Anika Reed, USA Today, 5 May 2026

Joan of Arc armor in the form of hardened corsets, even breastplates, were built into a number of dresses. —Merle Ginsberg, HollywoodReporter, 5 May 2026

Hancock told Fox News Digital six gold artifacts have been recovered so far: two breastplates, two arm cuffs and two ear-rods. —Andrea Margolis, FOXNews.com, 9 Mar. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for breastplate

• abate
• airfreight
• await
• baseplate
• berate
• birthdate
• birthrate
• bookplate
• borate
• bromate
• casemate
• castrate

Kids Definition

breastplate

noun

breast·​plate ˈbres(t)-ˌplāt 

: metal armor for covering the breast