topside

The surface of a ship’s hull above the water line.

The highest position of authority.

On or to the upper parts of a ship; on deck.

In a position of authority.

The top side; the upper part.

Specifically, the upper part of a ship’s sides; the side of a ship above the water-line: commonly in the plural.

The side or part of something that is at the top.

The surface of a ship’s hull that is above the water line.

The structure and assembly of modules above the jacket or gravity base sub structure.

The structure and assembly of modules on the deck of any floating installation.