a collection of objects laid on top of each other
"The children built a large heap of fallen leaves in the backyard."
(often followed by `of') a large number or amount or extent
"a batch of letters"
"a deal of trouble"
"a lot of money"
"he made a mint on the stock market"
"see the rest of the winners in our huge passel of photos"
"it must have cost plenty"
"a slew of journalists"
"a wad of money"
A crowd; a throng; a multitude or great number of people.
"The ancient castle was surrounded by a heap of soldiers waiting for orders."
"She piled all her dirty clothes into a large heap on the floor before heading to bed."
Usage: Use "heap" to describe a large, disorganized mass of objects rather than a structured pile. Avoid using it as a synonym for "crowd," which refers specifically to groups of people gathered together.
To pile in a heap.
"The children played until they were covered head to toe and could barely move their limbs."
Very.
"The crowd cheered so heap loudly that it drowned out all other sounds."
The word "heap" comes from the Old English hēap, which originally meant a pile or mound. It traveled into modern English through Middle English, carrying forward its ancient sense of something gathered in a large mass.