noun
This stack of paper ought to be enough to last through the next printing
The stacks were covered with a tarpaulin before it started to rain
We have a huge stack of orders to process this morning
They built the stack very tall to carry the fumes away from the town below
The boss will blow his stack if we miss the deadline
verb
Stack those boxes neatly in the corner. Has he stacked up enough points to qualify?
stack up
The ledgers don't stack up with the cheque-book. The two sets of figures simply don't stack up
He could never stack up to Olivier
US