noun, noun which may take the genitive case particle 'no'
columnar; pillar-shaped
Describes something having the form of a pillar or column; often used in technical or descriptive contexts.
この鉱物は柱状の結晶を作る。
This mineral forms columnar crystals.
柱状の構造が建物を支えている。
The pillar-shaped structure supports the building.