What does 掌 mean?
掌 is a Japanese noun meaning “the palm” in English. It is written as 掌 in kanji, てのひら in hiragana, and tenohira in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
大人になったら、車掌になりたい。
When I grow up, I want to be a train conductor.