やま ねじ山 LinksSentence search for ねじ山Sentence search for ねじやまSentence search for ネジ山Sentence search for 螺子山Kanji details for 山Edit in JMdict Noun1. screw thread; ridgeOther formsネジ山 【ねじやま】、螺子山 【ねじやま】Notes螺子山: Rarely-used kanji form. Discussions Log in to talk about this word.