The present participle of abseil; the activity or technique of descending cliffs or steep terrain using ropes and equipment.
From 'abseil' with the gerund/present participle suffix '-ing'. This form names both the ongoing action and the recreational activity itself.
Abseiling is one of those activities that has become a word—like 'skiing' or 'climbing'—that people learn as both an action word and an exciting sport!
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