Any of several North American or eastern Asian evergreen trees or shrubs of the genus Thuja, having flattened branchlets with opposite, scalelike leaves and small cones. They are grown as ornamentals and for timber.

• 侧柏，金钟柏一种崖柏属的北美或亚洲东部常绿树木或灌木，具有对称鳞状叶的扁平小树枝及小球果，因其可作装饰和作木材而被种植