a giant Californian coniferous tree, Sequoiadendron giganteum, with a wide tapering trunk and thick spongy bark: family Taxodiaceae. It often reaches a height of 90 metres
Also called: giant sequoia, wellingtonia. See also sequoia
Examples of 'wellingtonia' in a sentence
wellingtonia
A whopping 150-year-old wellingtonia tree dominates the back garden.