The difference between Bucket and Chuck it down

When used as verbs, bucket means to place inside a bucket, whereas chuck it down means to rain heavily.

Bucket is also noun with the meaning: a container made of rigid material, often with a handle, used to carry liquids or small items.

check bellow for the other definitions of Bucket and Chuck it down

Bucket as a noun:

A container made of rigid material, often with a handle, used to carry liquids or small items.

Examples:

"I need a bucket to carry the water from the well."
Bucket as a noun:

The amount held in this container.

Examples:

"The horse drank a whole bucket of water."
Bucket as a noun (UK, archaic):

A unit of measure equal to four gallons.
Bucket as a noun:

Part of a piece of machinery that resembles a bucket (container).
Bucket as a noun (slang):

An old vehicle that is not in good working order.
Bucket as a noun (basketball, informal):

The basket.

Examples:

"The forward drove to the bucket."
Bucket as a noun (basketball, informal):

A field goal.

Examples:

"We can't keep giving up easy buckets."
Bucket as a noun (variation management):

A mechanism for avoiding the allocation of targets in cases of mismanagement.
Bucket as a noun (computing):

A storage space in a hash table for every item sharing a particular key.
Bucket as a noun (informal, chiefly, plural):

A large amount of liquid.

Examples:

"It rained buckets yesterday."

"I was so nervous that I sweated buckets."
Bucket as a noun:

A bucket bag.
Bucket as a noun:

The leather socket for holding the whip when driving, or for the carbine or lance when mounted.
Bucket as a noun:

The pitcher in certain orchids.

Bucket as a verb (transitive):

To place inside a bucket.
Bucket as a verb (transitive):

To draw or lift in, or as if in, buckets.

Examples:

"to bucket water"
Bucket as a verb (intransitive, informal):

To rain heavily.
Bucket as a verb (intransitive, informal):

To travel very quickly.
Bucket as a verb (computing, transitive):

To categorize (data) by splitting it into buckets, or groups of related items.
Bucket as a verb (transitive):

To ride (a horse) hard or mercilessly.
Bucket as a verb (transitive, UK, US, rowing):

To make, or cause to make (the recovery), with a certain hurried or unskillful forward swing of the body.

Chuck it down as a verb (informal):

To rain heavily.

Examples:

"It's really chucking it down! I'm glad I brought my umbrella."