てっきん 鉄筋 Common word LinksSentence search for 鉄筋Sentence search for てっきんKanji details for 鉄 and 筋Edit in JMdict Noun1. rebar; (iron) reinforcing bar; reinforcing steelNoun2. reinforced concreteAbbreviation, See also 鉄筋コンクリート Discussions Log in to talk about this word.