Bucket–out

a deep, cylindrical vessel, usually of metal, plastic, or wood, with a flat bottom and a semicircular bail, for collecting, carrying, or holding water, sand, fruit, etc.; pail.
anything resembling or suggesting this.
Machinery.

any of the scoops attached to or forming the endless chain in certain types of conveyors or elevators.
the scoop or clamshell of a steam shovel, power shovel, or dredge.
a vane or blade of a waterwheel, paddle wheel, water turbine, or the like.

(in a dam) a concave surface at the foot of a spillway for deflecting the downward flow of water.
a bucketful:
a bucket of sand.
Basketball.

Informal. field goal.
the part of the keyhole extending from the foul line to the end line.

bucket seat.
Bowling. a leave of the two, four, five, and eight pins, or the three, five, six, and nine pins.
to lift, carry, or handle in a bucket (often followed by up or out).
Chiefly British. to ride (a horse) fast and without concern for tiring it.
to handle (orders, transactions, etc.) in or as if in a bucket shop.
Informal. to move or drive fast; hurry.
drop in the bucket, a small, usually inadequate amount in relation to what is needed or requested:
The grant for research was just a drop in the bucket.
drop the bucket on, Australian Slang. to implicate, incriminate, or expose.
kick the bucket, Slang. to die:
His children were greedily waiting for him to kick the bucket.
Historical Examples

The Wings of the Morning Louis Tracy
The Story of Opal Opal Whiteley
Return of the Native Thomas Hardy
David Lannarck, Midget George S. Harney
Little Busybodies Jeanette Augustus Marks and Julia Moody
Si Klegg, Book 4 (of 6) John McElroy

verb
(transitive) to empty out with or as if with a bucket
noun
an open-topped roughly cylindrical container; pail
Also called bucketful. the amount a bucket will hold
any of various bucket-like parts of a machine, such as the scoop on a mechanical shovel
a cupped blade or bucket-like compartment on the outer circumference of a water wheel, paddle wheel, etc
(computing) a unit of storage on a direct-access device from which data can be retrieved
(mainly US) a turbine rotor blade
(Austral & NZ) an ice cream container
(slang) kick the bucket, to die
verb -kets, -keting, -keted
(transitive) to carry in or put into a bucket
(intransitive) often foll by down. (of rain) to fall very heavily: it bucketed all day
(mainly Brit) (intransitive) often foll by along. to travel or drive fast
(transitive) (mainly Brit) to ride (a horse) hard without consideration
(transitive) (Austral, slang) to criticize severely
n.

A car, esp a big, old car (1930s+)
A ship, esp an old and slow ship; rust bucket (1840s+ Merchant marine & Navy)
A destroyer; can, tin can (Navy by WWII)
The buttocks; rump: Knocked him on his bucket (1930s+)
The basketball net (1920s+ Basketball)
A basketball goal: He’ll make ten buckets a game (1920s+ Basketball)
The rearmost part of the batter’s box •The source expression was ”have his foot in the water-bucket”: had his foot way back in the bucket/ Emily steps into the bucket when going for a pitch (1913+ Baseball)
Jail: These days, the Gray Bar Motel is a synonym for ”the bucket,” which means jail (1990s+ Los Angeles police)

see:

drop in the bucket
kick the bucket
rain cats and dogs (buckets)
weep buckets