0 any of many types of desert plant usually with sharp spines and thick stems for storing water
1 any of a type of plant that grows in the desert, having thick stems for storing water and usually spines (= sharp points)
As we descended the long, winding road we passed many fine specimens of tree cactus.
Cacti and semi-tropical bushes mingled with brush on the rounded side hills.
Even the olive and the cactus, those fast friends of a worthless soil, had almost deserted the country.
He fumbled for his knife and clumsily scraped the needles from a leaf of the cactus and sliced it in two.
This they followed rapidly, crossing wide plains of sage brush and cactus throughout the day.
For example, with the noun cactus, a preference for generating cacti is expressed by having the corresponding rule precede the one generating cactuses.
To our knowledge, these results are the first to show that darkness triggers secondary dormancy in cacti.
This is the first report of skotodormancy in cacti.
