鉄てっ柱ちゅうてっちゅうFreq.FrequencyTop 100,000Meanings1nouniron pole; steel columnRefers to a vertical structural member made of iron or steel, used in construction, fencing, or as a support.工こう事じ現げん場ばに鉄てっ柱ちゅうが何なん本ぼんも立たてられていた。Several iron poles were erected at the construction site.