Noun

1. the USDA-preferred term for the species Sequoia sempervirens.
2. any of the evergreen conifers belonging to the genus Sequoia in the wide sense
3. the wood of the species Sequoia sempervirens.

This planter is made of redwood

1. (British, obsolete) the wood of the species Pinus sylvestris.

Adjective

1. Pertaining to any of the evergreen conifers belonging to the genus Sequoia in the wide sense

   A redwood grove

2. Pertaining to the wood of the species Sequoia sempervirens.

   This redwood deck will last forever