- any of several cacti of the genus Selenicereus and related genera, of the southwestern United States, Mexico, and Central America, bearing edible round or oval fruit usually having scaly skin and sweet pulp filled with seeds.
- the fruit of any of several cacti of the genus Selenicereus and related genera.
- any giant cactus of Central America and the SW United States, esp the saguaro
- the edible red pulpy fruit of such cacti, which has a mild sweet flavour
