- redwood - the soft reddish wood of either of two species of sequoia trees
--1 is a kind of wood
--1 is a substance of sequoia, redwood- sequoia, redwood - either of two huge coniferous California trees that reach a height of 300 feet; sometimes placed in the Taxodiaceae
--2 is a kind of cypress
--2 is a member of Cupressaceae, family Cupressaceae, cypress family
--2 has substances: redwood
--2 has particulars:California redwood, coast redwood, Sequoia sempervirens; giant sequoia, big tree, Sierra redwood, Sequoiadendron giganteum, Sequoia gigantea, Sequoia Wellingtonia - sequoia, redwood - either of two huge coniferous California trees that reach a height of 300 feet; sometimes placed in the Taxodiaceae