Girder (4)
I believe the answer is:
spar
(Other definitions for spar that I've seen before include "Mineral; box; wing beam" , "Do up (bird for oven)" , "bar" , "Pole used in boat etc - box" , "Box (gently) - fight (verbally)" .)
I believe the answer is:
spar
(Other definitions for spar that I've seen before include "Mineral; box; wing beam" , "Do up (bird for oven)" , "bar" , "Pole used in boat etc - box" , "Box (gently) - fight (verbally)" .)