Noun giant sequoia has 1 sense
  1. giant sequoia, big tree, Sierra redwood, Sequoiadendron giganteum, Sequoia gigantea, Sequoia Wellingtonia - extremely lofty evergreen of southern end of western foothills of Sierra Nevada in California; largest living organism
    --1 is a kind of sequoia, redwood
    --1 is a member of Sequoiadendron, genus Sequoiadendron
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