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Webster 1913 Edition

adv.

Aloft; above; in or attached to the ceiling or roof; in the story or upon the floor above; in the zenith.

While

overhead

the moon
Sits arbitress.

Milton.

Also used adjectively; as, an overhead crane, gear, etc.

Overhead engine

a vertical steam engine in which the cylinder stands above the crank.

–

Overhead work

a general term in manufactories for countershafting and gearing, when overhead.

adv.

overhed'. Aloft; above; in the zenith or ceiling.