gantry
noun /ˈɡæntri/
/ˈɡæntri/
(plural gantries)
- a tall metal frame that is used to support a crane, road signs, a spacecraft while it is still on the ground, etc.
（起重的）龙门架；（道路的）路标架；（发射航天器的）塔架 词源late Middle English (denoting a wooden stand for barrels): probably from dialect gawn (contraction of gallon) + tree.