#1 come down v. 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 come down v. be the essential element; "The proposal boils down to a compromise". wn
#3 come down v. fall from clouds; "rain, snow and sleet were falling"; "Vesuvius precipitated its fiery, destructive rage on Herculaneum". wn
#4 come down v. get sick; "She fell sick last Friday, and now she is in the hospital". wn
#5 come down v. criticize or reprimand harshly; "The critics came down hard on the new play". wn
vizzz