suction cup

noun

: 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

The leakproof design is integral for keeping the interior of your toiletry kit clean and organized, and most interestingly, the base of each bottle is fitted with a suction cup to keep them easily accessible, even if there’s no shelf in your bathroom shower. —Merrell Readman, Travel + Leisure, 30 Dec. 2025

Lightweight options usually have suction cups to keep them in place. —Bestreviews, Mercury News, 24 Dec. 2025

The shoes gave off an astronaut aesthetic—hence its name—thanks to its insulated silhouette, suction cups and lightweight midsole. —Kelsey Stewart, Footwear News, 20 Dec. 2025

These timeless candles typically require minimal setup and can either stand alone on your windowsill or be attached to the window pane using a suction cup. —Alicia Geigel, Southern Living, 28 Nov. 2025

Word History

First Known Use

1909, in the meaning defined above

Rhymes for suction cup

• buttercup
• backup
• blowup
• breakup
• buildup
• checkup
• cleanup
• holdup
• hookup
• lineup
• lockup
• makeup

Kids Definition

suction cup

noun

: a cup of glass or of a flexible material (as rubber) in which a partial vacuum is produced when applied to a surface

Medical Definition

suction cup

noun

: 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)