| a large coniferous tree, Sequoiadendron giganteum (formerly Sequoia gigantea), of California, often reaching 300 ft. (91 m) in height, having reddish-brown bark, scalelike blue-green leaves, and bearing large elliptical cones. |
| giant redwood n. See giant sequoia. |
| giant sequoia n. A very tall, coniferous evergreen tree (Sequoiadendron giganteum) native to the high western slopes of the Sierra Nevada in southern California and having a massive trunk and light-colored, reddish wood. Also called big tree, giant redwood. |
