Definition of giant sequoia
: an evergreen tree (Sequoiadendron giganteum) of the bald cypress family that grows on the western slopes of the Sierra Nevada mountain range and sometimes exceeds 270 feet (about 82 meters) in height
— called also big tree, sequoia
— see cone illustrationTest Your Vocabulary
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Merriam-Webster unabridged
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Time Traveler for giant sequoia
The first known use of giant sequoia was in 1860
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