柱 - pillar, post, cylinder

central pillar (of a building)

pillar; post

prop; stay; support; brace; fulcrum

column; shaft; cylinder

utility pole; power pole; telephone pole; telegraph pole

scoliosis

triangular three-pillar torii

upstage right pillar (on a noh stage), where the main actor stands at the start and end of the play

downstage left pillar (on a noh stage), by which the supporting actor introduces himself

downstage left pillar (on a noh stage)

lordosis

stack; sea stack