ていじけいじょうぎ 丁字形定規 LinksSentence search for 丁字形定規Sentence search for ていじけいじょうぎKanji details for 丁, 字, 形, 定 and 規Edit in JMdict Noun1. T-square (technical drawing instrument)Rare term, See also Ｔ定規 Discussions Log in to talk about this word.