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

Competing with Meta’s first venture into this market, Apple is developing smart eyeglasses that will integrate a camera, a mic, and an AI assistant. —Daniel Fusch, USA Today, 3 Sep. 2025

There also was a second one modeled after King, even sporting the Hall of Famer’s trademark red eyeglasses, known as La-Billie-Bu. —Fortune, 2 Sep. 2025

Some materials are as thin as a sheet of paper, while others are about as thick as my eyeglasses. —Karla Walsh, Better Homes & Gardens, 31 Aug. 2025

John returned his focus to Fran’s items and picked up her eyeglasses. —Lizz Schumer, People.com, 28 Aug. 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