What does 甲 mean?
甲 is a Japanese noun meaning “1st in rank” or “shell” in English. It can also be translated as “1st in rank”, “instep” or “the A party (e.g. in a contract)” depending on context. It is written as 甲 in kanji, こう in hiragana, and kou in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
甲の損は乙の得。
One man's gain is another man's loss.