罫線けいせん Noun English jmdict 1 noun (common) (futsuumeishi) ruled line;rule 2 noun (common) (futsuumeishi) abbreviation chart See also: 罫線表 (けいせんひょう) 3 noun (common) (futsuumeishi) crease;score 4 noun (common) (futsuumeishi) computing border Other forms けい線 【けいせん】