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 of eyeglass

• sunglasses
• glass
• spectacles

Examples of eyeglass in a Sentence

She left her eyeglasses at work.

Recent Examples on the Web

In court Wednesday, O’Connor, wearing eyeglasses and a dark blazer with her hair in a ponytail, sat stoically, taking notes without showing a strong visible reaction as the verdicts were announced. —Robert Salonga, Mercury News, 4 Mar. 2026

From removing splinters or opening bandages, to snagging ingrown hairs and tightening eyeglass screws, tweezers are one of those travel essentials that my mom never regrets packing. —Amelia McBride, Travel + Leisure, 27 Feb. 2026

Warby Parker — The stock sank 8% after the eyeglass company’s quarterly results and full-year guidance came in below expectations. —Fred Imbert, CNBC, 26 Feb. 2026

Clean eyeglasses with soap and water before wearing. —Mark Gurarie, Verywell Health, 25 Feb. 2026

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