1. (noun) any of several Asian and North American conifers of the genera Thuja and Thujopsis

• american arborvitae
• northern white cedar
• thuja occidentalis
• white cedar
• canoe cedar
• red cedar
• thuja plicata
• western red cedar
• hiba arborvitae
• thujopsis dolobrata
• oriental arborvitae
• platycladus orientalis
• thuja orientalis

1. (noun) any of several Asian and North American conifers of the genera Thuja and Thujopsis

• conifer
• coniferous tree