english
1
general::
stack up
mainly US informal
to compare with another thing of a similar type
• The new model of this car just doesn't stack up against previous models (= is not as good as previous models).
Cambridge-Phrasal Verbs
2
general::
noun
mound:
There's a big stack of dishes to wash.
verb
pile:
Stack the plates over there.
Simple Definitions
3
general::
In addition to the idioms beginning with STACK, Also see BLOW ONE'S TOP (STACK); CARDS ARE STACKED; NEEDLE IN A HAYSTACK; SWEAR ON A STACK OF BIBLES.
American Heritage Idioms
4
general::
verb ADV. carefully, neatly | away, up The wood was collected up and carefully stacked away. Stack the chairs up over there. PREP. against The cases were stacked against the wall. | in The paintings were stacked in a corner of the room. | on The plates were neatly stacked on the draining board. | with shelves stacked with boxes PHRASES be stacked in piles Boxes were stacked in piles all round the room.
Oxford Collocations Dictionary