Definitions
(usually plural) weather deck; the part of a ship's hull that is above the waterline
Word origin
From top + side.
Used in a sentence
“Yet the topside exerts significant control over the lower ionosphere and hence also has an indirect effect on long-range radio communications.”
“These sounders have produced a wealth of information not only about the distribution of electrons in the topside but also about the response of plasma when the transmitter is embedded in it.”
“The rotor underside also exhibits a higher coefficient of microscale friction than the rotor topside and stator, as shown in Table 50.6.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Upper deck area”7 letters
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