n.[C]

1. 乾草堆，稻草堆，麥稈堆
   The grain has gone mouldy in the stack.

   垛裡的穀子發霉了。

2. （整齊的）一堆，一疊[S][（+of）]
   He placed his books in a neat stack.

   他把書整整齊齊放成一堆。

3. 【口】大量，許多[P1][（+of）]
   He's got stacks of money.

   他有許多錢。

4. （雙面）大書架；書庫[P1]
5. （三支步槍架成的）三角槍架
6. 煙囪；一排煙囪；排氣管
   We could see several smoking stacks in the distance.

   我們可以看到遠處好幾個冒著煙的煙囪。

7. （作定高分層盤旋的）待降機群

vt.

1. 把……疊成堆[（+up）]
   Mother is stacking the plates in the kitchen.

   母親在廚房裡把盤子一個個疊起來。

2. 堆放[H][（+with）]
   The room was stacked with old books and magazines.

   房間裡堆滿了舊書和舊雜誌。

3. 把……支成三角槍架
4. 指令（待降飛機）作定高分層盤旋[（+up）]
5. 對……作弊[（+against）]
   The memberships of this committee are stacked to give the majority party substantial control.

   有人在這個委員會的組成上搞了鬼，以使多數黨取得相當多的控制權。

vi.

1. 形成堆
   These plates stack well.

   這些盤子疊得很平整。

2. （待降飛機）作定高分層盤旋
3. 【美】【口】比較[（+up against）]
   How does their product stack up against those imported from foreign countries?

   他們的產品與從外國進口的產品相比如何？

n.

1. a pile, especially a neat one.
   ▸a rectangular or cylindrical pile of hay, straw, etc.
   ▸a vertical arrangement of hi-fi or guitar amplification equipment.
   ▸a pyramidal group of rifles.
2. informal a large quantity of something.
3. a chimney or vertical exhaust pipe.
4. a number of aircraft flying in circles at different altitudes around the same point while waiting to land at an airport.
5. (also sea stack) Brit. a column of rock standing in the sea.
6. (the stacks) units of shelving in part of a library normally closed to the public.
7. Computing  a set of storage locations from which the most recently stored item is the first to be retrieved.
8. Brit. a measure for a pile of wood of 108 cu. ft (3.06 cubic metres).

v.

1. arrange in a stack.
   ▸fill or cover with stacks of things.
2. shuffle or arrange (a pack of cards) dishonestly.
   ▸ (be stacked against/in favour of) (of a situation) be overwhelmingly likely to produce an unfavourable or favourable outcome for.
3. cause (an aircraft) to fly in a stack.
4. (stack up) N. Amer. informal measure up; compare.
5. (in snowboarding) fall over.