S: (v) descend, fall, go down, come down (move downward and lower, but not necessarily all the way) "The temperature is going down"; "The barometer is falling"; "The curtain fell on the diva"; "Her hand went up and then fell again"
S: (v) prolapse (slip or fall out of place, as of body parts) "prolapsed rectum"
S: (v) rappel, abseil, rope down (descend by means of a rappel) "The ascent was easy--roping down the mountain would be much more difficult and dangerous"; "You have to learn how to abseil when you want to do technical climbing"