a.[Z]

1. 在头顶上的；在上头的；高架的
2. 【经】经常的，管理的，间接的
3. 【体】（网球等）头上的，高手的

n.[C]

1. 经常费用
   reduce expenditure on overhead

   减少经常费用的开支

2. 天花板；（船舱）顶板

ad.

1. 在头顶上；在上头；高高地
   A plane flew overhead.

   一架飞机从头顶上飞过。

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.