てつ 鉄オタ LinksSentence search for 鉄オタSentence search for てつオタSentence search for 鉄ヲタSentence search for てつヲタKanji details for 鉄Edit in JMdict Noun1. railfan; rail fan; rail buff; train buffAbbreviation, Slang, See also 鉄道ファンOther forms鉄ヲタ 【てつヲタ】 Discussions Log in to talk about this word.