Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A very tall, coniferous evergreen tree (Sequoiadendron giganteum) native to the high western slopes of the Sierra Nevada in southern California and having a massive trunk and light-colored, reddish wood. Also called big tree, giant redwood.