an open container with a handle, used for carrying and holding things, especially liquids [= pail]
2 also bucketful
the quantity of liquid that a bucket can hold
a bucket of water
a part of a machine shaped like a large bucket and used for moving earth, water etc
a large amount of something:
They were drinking beer by the bucket.
They made buckets of cash on the deal.
to cry a lot
if rain comes down in buckets, it is raining very hard