red·wood 
(rĕdwd′)
(rĕdwd′)n.
1.
a. A very tall, evergreen coniferous tree (Sequoia sempervirens) native to the coastal ranges of southern Oregon and central and northern California, having thick bark, leaves that are needlelike or scalelike, and small cones.
b. The soft reddish decay-resistant wood of this tree. Also called coast redwood.
2. Either of two similar trees, the giant sequoia or the dawn redwood.
3. Any of various woods having a reddish color or yielding a red dye.