a.[Z]

1. 在頭頂上的；在上頭的；高架的
2. 【經】經常的，管理的，間接的
3. 【體】（網球等）頭上的，高手的

n.[C]

1. 經常費用
   reduce expenditure on overhead

   減少經常費用的開支

2. 天花板；（船艙）頂板

ad.

1. 在頭頂上；在上頭；高高地
   A plane flew overhead.

   一架飛機從頭頂上飛過。

adv.

adj.

1. situated overhead.
2. (of a driving mechanism) above the object driven.
3. (of an expense) incurred in the upkeep or running of premises or a business.

n.

1. an overhead cost or expense.
2. a transparency for use with an overhead projector.
3. an overhead compartment, especially on an aircraft.