0 past simple and past participle of pile
2 (of a group of people) to move together, especially in an uncontrolled way:
She had a most elaborate hairdo, all piled up on top of her head.
In the village market, the stalls are piled high with local vegetables.
Knowing he had a good appetite, she passed him a plate piled high with mashed potato.
In a three-dimensional situation, one may expect the appearance of a proton cavity bounded by a piled-up magnetic field and a heavy-ion shock.
To the contrary, the illusions piled atop apparent mental causation are the building blocks of human psychology and social life.
A heap of skulls was piled outside this front gate.
