heap

1 heap /ˈhiːp/ noun
plural heaps
1 heap
/ˈhiːp/
noun
plural heaps
Britannica Dictionary definition of HEAP
[count]
1 
: a large, disordered pile of things
— see also scrap heap
2 
informal : a great number or large amount of something — often plural
3 
informal : an old car that is in poor condition

at the bottom/top of the heap

— used to describe a person's level of success, position in society, etc.

collapse/fall (etc.) in a heap

: to fall very suddenly to the ground and lie there
2 heap /ˈhiːp/ verb
heaps; heaped; heaping
2 heap
/ˈhiːp/
verb
heaps; heaped; heaping
Britannica Dictionary definition of HEAP
[+ object]
1 
a  : to put (something) in a large pile
— often used as (be) heaped
b  : to put a pile or heap on or in (something) — + with
2 
: to give (something, such as praise, blame, etc.) in large amounts — + on or upon