What does 格 mean?
格 is a Japanese noun meaning “status, character, case” in English. It can also be translated as “method, rule, case” depending on context. It is written as 格 in kanji, かく in hiragana, and kaku in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
thatには、主格、目的格の２つしかなく、格による形の変化はない。
'That' has only the two cases, nominative and objective, and it does not inflect depending on the case.