Senses
柱 pillar
pillar; column; post; upright; an upright structural support in a building
柱 cylinder
anything shaped like a pillar; cylinder; column of liquid or gas
柱 string bridge
(bound form) bridge for the strings on a musical instrument, such as a zither; small peg used for tuning or supporting strings
柱 to support
(literary) to support; to prop up; to uphold
柱 to criticize
(archaic) to criticize or poke fun at someone; same as 拄
柱 Zhu
a Chinese surname