Pile

the yarn (as in a rug or velvet or corduroy) that stands up from the weave

a large sum of money (especially as pay or profit)

fine soft dense hair (as the fine short hair of cattle or deer or the wool of sheep or the undercoat of certain dogs)

a column of wood or steel or concrete that is driven into the ground to provide support for a structure

(often followed by `of') a large number or amount or extent

a collection of objects laid on top of each other

a nuclear reactor that uses controlled nuclear fission to generate energy

battery consisting of voltaic cells arranged in series; the earliest electric battery devised by Volta

arrange in stacks

place or lay as if in a pile

press tightly together or cram