saguaro (plural saguaros)
- Carnegiea gigantea, a large cactus native to the Sonoran Desert and characterized by its "arms".
1858, George Engelmann, Cactaceae of the Boundary, C. giganteus, page 42:
- The Suwarrow or Saguaro of the natives.
1870, William Abraham Bell, New Tracks in North America: A Journal of Travel and Adventure Whilst Engaged in the Survey for a Southern Railroad to the Pacific Ocean During 1867-8:
- The Pitella (pronounced Pitayo) and the Saguaro are the most prized.