What does 筋肉 mean?
筋肉 is a Japanese noun meaning “muscle, sinews” in English. It is written as 筋肉 in kanji, きんにく in hiragana, and kinniku in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
水泳は筋肉を発達させる。
Swimming develops our muscles.