prop; stay; support; brace; fulcrum
column; shaft; cylinder; round pillar (esp. in buildings)
column of water; water column
pillars supporting heaven
prism; polygonal (esp. square) pillar
adductor muscle (of a bivalve)
shape of a pillar or column
central pillar; principal post; backbone of a society or community
capital (of a column); stigma; top part of the pistil in a flower
marker; signpost; guide pole; levelling pole (surveying)
cross (used in a crucifixion)
air column (e.g. in a wind instrument)
bollard; bitt; mooring post
sound post (e.g. of a violin)
endostyle; interior column; inner pillar
distribution transformer; service transformer; pole-mounted transformer