Definitions

1. noun

The parts of a ship or aircraft above the main deck or hull.

“The upperworks of the historic ship were beautifully restored.”

2. noun

A ship’s superstructure, including the bridge, cabins, etc.

“The upperworks of the old cargo ship were still intact.”

3. noun

The upper works of a building, such as the floors, roof, etc.

“The upperworks of the old castle needed repair after the storm.”