pylon
/ˈpaɪlən/noun
1- an upright structure that is used for support or navigation, in particular（用作支撑或导航的）塔式建筑物, 尤指：
1.1
- （亦作electricity pylon）a tall tower-like structure used for carrying electricity cables high above the ground（架高压输电线的）电缆塔。
1.2
- a pillar-like structure on the wing of an aircraft used for carrying an engine, weapon, fuel tank, or other load（机翼上悬挂发动机, 武器, 燃料箱或其他负载的）外挂架, 吊架。
1.3
- a tower or post marking a path for light aircraft, cars, or other vehicles, especially in racing（尤指比赛用）标塔, 定向塔; 标杆。
1.4
- a monumental gateway to an ancient Egyptian temple formed by two truncated pyramidal towers（古埃及庙宇的）塔式门楼, 埃及式门楼。
词源
mid 19th cent.: from Greek pulōn, from pulē 'gate'.