eyeglass

noun

eye·​glass ˈī-ˌglas 

1

a

: eyepiece

b

: a lens worn to aid vision

specifically : monocle

c

eyeglasses plural : a device used to correct defects of vision or to protect the eyes that consists typically of a pair of glass or plastic lenses and the frame by which they are held in place : glasses

2

: eyecup sense 1

Synonyms

• sunglasses
• glass
• spectacles

Examples of eyeglass in a Sentence

She left her eyeglasses at work.

Recent Examples on the Web

At the door, a man in a shiny blue suit and eyeglasses forged from some fragile-looking but probably indestructible mineral whose extraction shapes contemporary geoeconomics said hello, peered over my shoulder. —Sam Lipsyte, New Yorker, 19 Oct. 2025

They are also used for automotive care and to gently clean eyeglass lenses. —Nafeesah Allen, Better Homes & Gardens, 17 Oct. 2025

Net proceeds from the fundraiser will benefit local charities including the Vista Blind Center, Guide Dogs for the Blind, the Blind Stokers Club and will go toward purchasing eyeglasses for local youth. —Linda McIntosh, San Diego Union-Tribune, 16 Oct. 2025

San Francisco has one LensCrafters location on Market Street, a Best Buy about 8 miles south in Colma, and then a smattering of eyeglass retailers and Best Buy locations farther south. —Rob Pegoraro, PC Magazine, 4 Oct. 2025

Word History

First Known Use

1593, in the meaning defined at sense 1c

Rhymes for eyeglass

• candlemas
• fiberglass
• fibreglass
• hourglass
• isinglass
• lemongrass
• martinmas
• orchardgrass
• overpass
• plexiglas
• plexiglass
• sassafras

Kids Definition

eyeglass

noun

eye·​glass -ˌglas 

1

: a glass lens used to help one see clearly

2

plural : glass entry 1 sense 2b

Medical Definition

eyeglass

noun

eye·​glass ˈī-ˌglas 

1

a

: eyepiece

b

: a lens worn to aid vision

specifically : monocle

c

eyeglasses plural : glasses, spectacles

2

: eyecup sense 1