1. past tense and past participle of abseil; descended a vertical surface (such as a cliff or building) using a rope and harness
Usage: chiefly British English; also called rappelling in North American English

Examples

• The rescue team abseiled down the cliff to reach the stranded hikers.
• She abseiled from the top of the building during the training exercise.
• The soldiers abseiled from the helicopter to complete their mission.
• He abseiled carefully down the rock face, checking each anchor point.
• The firefighters abseiled down the side of the building to evacuate residents.
• They abseiled into the canyon to explore the cave system.