a great amount of money; a fortune

a large building or group of buildings

a nuclear reactor

a vertical series of alternate discs of two dissimilar metals, e.g. copper and zinc, separated by discs of cloth or paper moistened with an electrolyte for producing an electric current

(often + up) to lay or place (things) in a pile

to put or heap (things) in large quantities

She piled potatoes on his plate

(+ into/out of) to get into or out of a vehicle in a confused rush

The children piled into the car

a soft raised surface on a fabric or carpet, consisting of cut threads or loops

soft hair, down, fur, or wool