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Related to piled: piled up

pile 1

1. A quantity of objects stacked or thrown together in a heap. See Synonyms at heap.
2. Informal
a. A large accumulation or quantity: a pile of work to do.
b. A large amount of money: made a pile in the real estate boom.
3. A nuclear reactor.
4. A voltaic pile.
5. A very large building or complex of buildings.
6. A funeral pyre.
v. piled, pil·ing, piles
a. To place or lay in a pile or heap: piled books onto the table.
b. To load (something) with a heap or pile: piled the table with books.
2. To add or increase to abundance or to a point of burdensomeness: piled homework on the students.
1. To form a heap or pile.
2. To move in, out, or forward in a disorderly mass or group: pile into a bus; pile out of a car.
Phrasal Verbs:
pile on
1. To leap onto an existing pile of people, especially football players.
2. To add or increase (something, such as criticism) abundantly or excessively.
pile up
1. To accumulate: Work is piling up.
2. Informal To undergo a serious vehicular collision.

[Middle English, from Old French, from Latin pīla, pillar.]

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pile 2

1. A heavy post of timber, concrete, or steel, driven into the earth as a foundation or support for a structure.
2. Heraldry A wedge-shaped charge pointing downward.
3. A Roman javelin.
tr.v. piled, pil·ing, piles
1. To drive piles into.
2. To support with piles.

[Middle English, from Old English pīl, shaft, stake, from Latin pīlum, spear, pestle.]

pile 3

a. Cut or uncut loops of yarn forming the surface of certain fabrics, such as velvet, plush, and carpeting.
b. The surface so formed.
2. Soft fine hair, fur, or wool.

[From Middle English piles(attested only in plural) downy hair, downy plumage, partly from Anglo-Norman peil, pil, hair, coat (as of a horse), cloth with a thick nap, and partly from Latin pilus, hair (Anglo-Norman, from Latin).]

piled adj.
References in classic literature ?
And a moment later, amidst a cloud of dust, the raiders were galloping madly across the plain, and out from the concealment of the reeds along the river, crept a party of black warriors toward the spot where the golden ingots of Opar lay piled on the ground.
While some brought all their energies to bear upon this toilsome task; and some, rearing ladders against the prison, tried to clamber to the summit of the walls they were too short to scale; and some again engaged a body of police a hundred strong, and beat them back and trod them under foot by force of numbers; others besieged the house on which the jailer had appeared, and driving in the door, brought out his furniture, and piled it up against the prison-gate, to make a bonfire which should burn it down.
That Titan of art piled the Pantheon on the Parthenon, and made Saint-Peter's at Rome.
The three big fellows spoke to one another in odd guttural tones, and the man who had waited for us on the beach began chattering to them excitedly--a foreign language, as I fancied--as they laid hands on some bales piled near the stern.
On the 6th of March, having cured sufficient meat, the party resumed their march, and moved on with comparative ease, excepting where they had to make their way through snow-drifts which had been piled up by the wind.