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

There are endless mounting options for these small action cameras, from small suction cups designed to fit on cars to full-sized gimbals that stabilize footage. —Graham Averill, Outside, 24 Feb. 2026

Fleeing, not quite leaping and clumsily sort of galloping, is no easy matter for a snail (the starfish has thousands of ciliate foot like suction cups), and fighting is pure folly versus so many arms. —Literary Hub, 23 Feb. 2026

Some shower curtains are designed with weights, magnets or even suction cups near their base to counteract this problem. —Bestreviews, Mercury News, 14 Jan. 2026

Others use suction cups to stick to the wall of your shower, while others simply rest on a shelf. —Bestreviews, Chicago Tribune, 8 Jan. 2026

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)