What does 使用 mean?
使用 is a Japanese noun meaning “use (same as 使うこと (つかうこと)), application, employment, utilization” in English. It is written as 使用 in kanji, しよう in hiragana, and shiyou in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
使用する前に瓶を振ってください。
Shake the bottle before using.