Topsides

Noun

the upper side.

Usually, topsides. Nautical . the outer surface of a hull above the water.

the most authoritative position or level.

Chiefly British . a cut of beef similar to a U.S. rump roast. Compare silverside ( def. 1 ) .

British . the top or outer side of a round of beef; beef from the outer thigh of a butchered cow.

Adjective

of, pertaining to, or located on the topside.

of the most authoritative rank.

Adverb

Also, topsides. up on the deck

He left the engine room and went topside.

to, toward, or at the topside.