Synonyms for White Cedar (same or very similar meaning)
WordNet sense 1 (small evergreen of eastern North America having tiny scalelike leaves on flattened branchlets):
American arborvitae, northern white cedar, Thuja occidentalisWordNet sense 2 (slow-growing medium-sized cedar of east coast of the United States; resembles American arborvitae):
southern white cedar, Atlantic white cedar, Chamaecyparis thyoides, coast white cedar, white cypressFrom the ODE community, based on WordNetadd/edit