What does 機能 mean?
機能 is a Japanese noun meaning “function, faculty” in English. It is written as 機能 in kanji, きのう in hiragana, and kinou in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
こんな余計な機能なんでつけたんだろう。
What did they add this needless function for?