saguaro(n = noun.plant) carnegiea gigantea, sahuaro - extremely large treelike cactus of desert regions of southwestern United States having a thick columnar sparsely branched trunk bearing white flowers and edible red pulpy fruit; Array
is a kind of cactus
is a member of carnegiea, genus carnegiea
saguaro, n. (also sahuaro) (pl. -os) a giant cactus, Carnegiea gigantea, of the SW United States and Mexico.
Etymology:
Mex. Sp.