RAPPEL is validvalid

to descend from a steep height by means of a rope [v RAPPELED, RAPPELING, RAPPELLED, RAPPELLING, RAPPELS]

26,384 of 196,601 in NWL2023·also valid in CSW24

(French) to descend from a steep height by means of a rope [v RAPPELED or RAPPELLED, RAPPELING or RAPPELLING, RAPPELS]