Meanings
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1
noun
the structures and equipment above the hull or main deck of a ship, or above the main body of a vehicle or machine
Only the ship's masts and upperworks remained visible above the fog.
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2
noun
informal and humorous: a person's head or brain
The low beam gave him a painful knock on the upperworks.
Thesaurus
Synonyms
Opposites
underworks
Word family
Etymology
A plural compound of upper + works. In engineering and nautical use, works denotes a connected set of structures or mechanisms, so upperworks names those above the main body. The humorous anatomical sense compares the head with a machine's upper structure.