A coniferous evergreen shrub.
Any of several coniferous trees or shrubs of the genus Thuja of the cypress family, having flattened branchlets covered in overlapping aromatic green scales. In North America, the northern white cedar Thuja occidentalis and the western red cedar T. plicata are representatives. The Chinese or Oriental species T. orientalis, reaching 60 ft/18 m in height, is grown widely as an ornamental.
Any of several Asian and North American conifers of the genera Thuja and Thujopsis. arbor vitae