IPA: /ˈtɒpˌsaɪd/
KK: /ˈtɑːpˌsaɪd/
Relating to the upper surface or top part of something.
The topside of the boat was painted bright blue.
In a position that is higher or above something else, often referring to the upper part of a ship or structure.
The crew worked topside to prepare the ship for departure.
The upper part or surface of something, especially the highest part of a ship that is above the water.
The crew worked on the topside of the ship to prepare it for the journey.
Topside → The word is formed from "top" (from Old English "top", meaning the highest point) and "side" (from Old English "side", meaning a surface or aspect). Together, these parts describe the upper surface or highest part of something.
Think of the 'highest point' ('top') and the 'surface' ('side') to remember that 'topside' refers to the upper surface of an object.