- any of the three extant tree species of the coniferous subfamily Sequoioideae, specifically the giant sequoia, coast redwood, and dawn redwood.
- the valuable brownish-red timber of the coast redwood or giant sequoia, the harvesting of which is strictly regulated.
- a red or reddish wood.
- any of various trees yielding a red or reddish wood.
- any tree whose wood produces a red dyestuff.
- made of red or reddish wood, especially that of the coast redwood or giant sequoia, the harvesting of which is strictly regulated: a six-piece set of redwood furniture for the patio.
- raving mad; insane.
- distracted with anger; furious.
- a giant coniferous tree, Sequoia sempervirens, of coastal regions of California, having reddish fibrous bark and durable timber: family Taxodiaceae . The largest specimen is over 120 metres (360 feet) tall
