gantry

Concise Oxford English Dictionary © 2008 Oxford University Press:
gantry/ˈɡantri/

▶noun (pl. gantries)

• 1 a bridge-like overhead structure supporting equipment such as a crane or railway signals.

  ■ a tall framework supporting a space rocket prior to launching.

• 2 a collection of inverted bottles with optics for serving measures in a bar.

– origin ME (denoting a wooden stand for barrels): prob. from dial. gawn (contr. of gallon) + tree.