Cactus (noun)

1. A type of succulent plant that is native to arid or semi-arid regions, characterized by its spines or thorns and its ability to store water.
2. A prickly desert plant.

Origin:

Derived from the greek word "kaktos" meaning "cardoon" or "thistle".

Examples:

1. The cactus was thriving in the hot, dry desert environment.
2. The cactus was adorned with bright pink flowers.
3. She carefully tended to her collection of cacti and succulents.
4. The cactus was covered in needles that were painful to touch.
5. The cactus was a popular ornamental plant for its unique appearance and ability to survive in harsh conditions.