WordNet
n. a column that supports a heavy weight
Usage examples of "support column".
It won't be safe till the support column comes up with the gas cylinders.
It spread wide over the edges of the central support column, which meant we were going to have to go for one of the four much more slender corner posts.
I showed her how to fit logs into a support column with pegs and joints.
The floors and the central support column containing the elevator and utility conduits looked tike the remains of a fish after filleting.
Pitrick clung to a nearby support column and waited for the spell's effects to subside.
It was not until I tried to rouse him and failed that I saw the blood seeping down the support column of his chair and wetting floor plates.
It looked just like every other support column she had passed, complete with mildew and moss-filled cracks.