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

noun. The highest position of authority.

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

adverb & adjective. In a position of authority.

noun. The top side; the upper part.

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

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

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

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

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

noun. The outer side of a round of beef.

adjective. Above decks, such as on the weather deck or bridge.

noun. (usually plural) weather deck; the part of a ship's hull that is above the waterline

"On the few occasions when I get topside from the mineshafts, I've been seeing little blips of light that might fortell some kind of activity over your way in the Galaxy."

silverside  topside the other way  

shelter deck  weather deck  

arette  control-room  enlist  for'ard  hiton  

aboard  afloat  all aboard  aloft  at the head