pylon /'pailon; 'pailan/ n 1 tower (steel framework) for. carrying overhead high-voltage electric cables. 架高壓電匯之纖塔。 2 gateway to an ancient Egyptian temple; tall structure erected as a support, boundary or decoration. 古埃及廟宇的大門(mén); 作為支柱,界線或裝飾用之高大建筑。