eyecup

noun

eye·​cup ˈī-ˌkəp How to pronounce eyecup (audio)
1
: a small oval cup with a rim curved to fit the orbit of the eye used for applying liquid remedies to the eyes
2
3
: a usually rubber cup at the eyepiece of an optical instrument (such as binoculars) for keeping out extraneous light

Examples of eyecup in a Sentence

Recent Examples on the Web While keeping the left side covered, rotate the diopter dial on the right eyecup until the image is in focus. Katherine Alex Beaven, Travel + Leisure, 17 Jan. 2024 The folding bridge fits eye distance for kids and adults, while the twisting eyecups work for folks with or without glasses. Katherine Alex Beaven, Travel + Leisure, 17 Jan. 2024 Penned by industrial designer Marc Newson, the sleek binoculars pair forest green barrels with a black aluminum bridge and black eyecups. Demetrius Simms, Robb Report, 11 Jan. 2024 Powell also recommends trying binoculars in person to test fit, comfort, and adjustability—you’ll want to check how easily the focus wheel rolls and how the eyecups feel. Kevin Cortez, Popular Mechanics, 5 June 2023 This camera has a full-size HDMI, better ergonomics for waist- and chest-level video shooting, and more options for capture rates and color profiles, plus a convenient electronic viewfinder and roomy eyecup. Mark Thiessen, National Geographic, 25 Nov. 2020 The back of the camera also has a vintage-style circular eyecup around the viewfinder. Bryan Hood, Robb Report, 4 July 2021 Like its double-barreled cousin, the Zoom Tube boasts a twist-out eyecup, an oversize eyepiece lens and an easy focusing system. Everett Potter, Forbes, 18 May 2021 The finish and eyecups could use a little more finishing, but the balance is nearly perfect, and its durability and versatility are both very good. Andrew McKean, Outdoor Life, 6 Dec. 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'eyecup.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1586, in the meaning defined at sense 1

Time Traveler
The first known use of eyecup was in 1586

Dictionary Entries Near eyecup

Cite this Entry

“Eyecup.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eyecup. Accessed 12 Oct. 2024.

Kids Definition

eyecup

noun
eye·​cup ˈī-ˌkəp How to pronounce eyecup (audio)
: a small oval cup with a rim curved to fit the orbit of the eye and used for applying liquid medicine to the eyes

Medical Definition

eyecup

noun
eye·​cup ˈī-ˌkəp How to pronounce eyecup (audio)
1
: a small oval cup with a rim curved to fit the orbit of the eye used for applying liquid remedies to the eyes
2
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