What does 定規 mean?
定規 is a Japanese noun meaning “(measuring) ruler” in English. It is written as 定規 in kanji, じょうぎ in hiragana, and jougi in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
私は本を買い、彼は定規を買った。
I bought a book and he a ruler.