Senses
桢干/ 楨幹 backbone
(literary) a foundation, mainstay, or core element of a system
桢干/ 楨幹 wooden pillars
(literary) the corner pillars or planks used as supports when building a wall
桢干/ 楨幹 core member
(literary) a key person or chief supporter who serves as the backbone of an organization
桢干/ 楨幹 to support
(literary) to defend, support, or serve as a mainstay