a bridge-like overhead structure with a platform supporting equipment such as a crane, signals, lights, or cameras 桥式台架 ■a tall framework supporting a space rocket prior to launching (太空火箭发射前用来竖立火箭的)塔架 ■(in a bar) a collection of inverted bottles with optics for serving measures (酒吧中的)酒架
语源
late Middle English (denoting a wooden stand for barrels): probably from dialect gawn (contraction of gallon) + tree