A saguaro cactus.
saguaro definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
saguaro definition by American Heritage Dictionary
also sa·hua·ronoun pl. sa·gua·ros also sa·hua·ros
- A very large cactus (Carnegiea gigantea) of the southwest United States and northern Mexico, having ribbed upward-curving branches, white funnel-shaped flowers, and edible red fruit.
- The fruit of this cactus.
Origin: American Spanish, probably of Piman origin.