white cedar

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Either of two evergreen coniferous trees (Thuja occidentalis or Chamaecyparis thyoides) of eastern North America, having scalelike leaves and light-colored wood.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The Atlantic white cypress.
• noun An evergreen coniferous tree of the Cupressaceae family, native to the northeastern US and southeastern Canada.
• noun The chinaberry.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun small evergreen of eastern North America having tiny scalelike leaves on flattened branchlets
• noun slow-growing medium-sized cedar of east coast of the United States; resembles American arborvitae