noun. The giant sequoia.

noun. Either of two similar trees, the redwood or the dawn redwood.

noun. A genus of coniferous trees, of the tribe Abietineæ and subtribe Taxodinæ.

noun. A genus of coniferous trees, consisting of two species, Sequoia Washingtoniana, syn. S. gigantea, the “big tree” of California, and S. sempervirens, the redwood, both of which attain an immense height.

noun. Sequoiadendron giganteum, a coniferous evergreen tree formerly in the genus Sequoia, now placed in Sequoiadendron.

noun. Sequoia sempervirens, a coniferous evergreen tree, the only living species of the genus Sequoia.

noun. either of two huge coniferous California trees that reach a height of 300 feet; sometimes placed in the Taxodiaceae

"He showed me simulated flythroughs of a giant sequoia forest and a forest of smaller trees created using data from the ECHIDNA on his computer."