suction cup


Definition of suction cup

: a cup-shaped device in which a partial vacuum can be produced when applied to a surface

Examples of suction cup in a Sentence

The device is held to the wall with two suction cups.
Recent Examples on the Web As a vehicle crawls past it on a conveyor belt, the arm gently nestles the windscreen into its housing, then swivels back to get its greedy suction cups on the next one. The Economist, "China has never mastered internal-combustion engines," 2 Jan. 2020 Its suction cup mount adhered to our windshield and kept the camera in place throughout our five-day journey north. Seamus Bellamy, USA TODAY, "You need a dash cam, these are the best ones of 2019," 16 Oct. 2019 Users can easily take the glass surface on and off, via the suction cups, in order to tend to their plant babies or rearrange the garden. Kelly Corbett, House Beautiful, "Terrarium Coffee Tables Are Both Functional, and Fabulous — Here's How to Make One," 28 Jan. 2020 Favorite Feature The suction cups, which kept us from having to drill holes into the metal walls of the van. Drew Zieff, Outside Online, "11 Things to Take Your Van from Dirtbag to Dream Home," 16 Jan. 2020 There are tweezers, spudgers, and other pry tools for carefully taking apart sensitive components, and a small suction cup for removing glass parts that may be glued down. Jeff Dunn And Valentina Palladino, Ars Technica, "Guidemaster: Nine gift ideas for the tech enthusiast in your life," 13 Dec. 2019 Don't get the kind that sticks to the wall with suction cups. Harvard Health Letter,, "Top tools to make bathing safer and simpler," 4 Dec. 2019 The sensor was a plastic, lunchbox-size shell equipped with four suction cups, two of which contained electrodes for measuring the whale's heartbeat. Fox News, "A blue whale had his heartbeat taken for the first time ever — and scientists are shocked," 29 Nov. 2019 According to a press release, to monitor the whale’s heart, the team needed to attach a sensor tag using four suction cups, two of which had electrodes in them that could monitor the animal’s heart. Jason Daley, Smithsonian, "Researchers Measure a Wild Blue Whale’s Heart Rate for the First Time," 19 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'suction cup.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of suction cup

1942, in the meaning defined above

Keep scrolling for more

Learn More about suction cup

Time Traveler for suction cup

Time Traveler

The first known use of suction cup was in 1942

See more words from the same year

Statistics for suction cup

Last Updated

18 Mar 2020

Cite this Entry

“Suction cup.” Dictionary, Merriam-Webster, Accessed 28 Mar. 2020.

Keep scrolling for more

More Definitions for suction cup

suction cup


English Language Learners Definition of suction cup

: a round, shallow cup made of a flexible material (such as rubber) that you attach to a surface by pressing the cup against the surface until the air between the cup and surface is removed

suction cup


Medical Definition of suction cup

: a cup of glass or of a flexible material (as rubber) in which a partial vacuum is produced when applied to a surface and which is used variously (as to bring blood to the surface of the skin)

More from Merriam-Webster on suction cup

Rhyming Dictionary: Words that rhyme with suction cup

Comments on suction cup

What made you want to look up suction cup? Please tell us where you read or heard it (including the quote, if possible).


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

March 2020 Words of the Day Quiz

  • field of crocuses
  • Which is a synonym of rectitudinous?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!