1. the force produced by a partial vacuum that draws or pulls something in
2. the act or process of sucking or drawing in by creating a vacuum

Examples

• The vacuum cleaner uses suction to pick up dirt and debris.
• The suction cup stuck firmly to the smooth glass surface.
• The drain created strong suction that pulled the water down quickly.
• Medical suction devices help clear airways during surgery.
• The octopus uses suction from its tentacles to grip rocks.
• She felt the suction of the whirlpool pulling her down.
• The pump works by creating suction to draw water from the well.