1.
If the cost, level, or amount of something comes down , it becomes less than it was before.
Interest rates should come down...
If you buy three bottles, the bottle price comes down to £2.42...
The price of petrol is coming down by four pence a gallon.
≠ go up
PHRASAL VERB : V P , V P to/from n , V P by n
2.
If something comes down , it falls to the ground.
The cold rain came down...
PHRASAL VERB : V P