#1 descend v. [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". wn
#2 descend v. [derive, come] come from; be connected by a relationship of blood, for example; "She was descended from an old Italian noble family"; "he comes from humble origins". wn
#3 descend v. [condescend, deign] do something that one considers to be below one's dignity. wn
#4 descend v. [fall, settle] come as if by falling; "Night fell"; "Silence fell". wn
vizzz