white pine

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

• noun A timber tree (Pinus strobus) of eastern North America, having needles in clusters of five and durable, easily worked wood.
• noun Any of several other pines having needles in clusters of five, especially P. monticola of western North America.
• noun The wood of certain of these trees, especially P. strobus.

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

• noun any of several five-needled pines with white wood and smooth usually light grey bark when young; especially the eastern white pine
• noun soft white wood of white pine trees