spoil heap
English
Noun
spoil
heap
(
plural
spoil heaps
)
A
heap
formed of
spoil
(material discarded during mining or excavation).
Synonyms:
spoil tip
,
slag heap
,
boney pile
,
gob pile
,
culm bank
The place where
spoil
is dumped.
Further reading
spoil tip
on Wikipedia.
Wikipedia