The crossword solution for the term PRICKLY is PEAR, a four letter word. The term refers to a variety of cactus, which are succulent plants that are adapted to arid and semi-arid climates. Cacti typically have thick photosynthetic stems and leaves that are modified as spines. PRICKLY pears are a type of cactus that have flat, fleshy pads with sharp spines. They are native to the Americas and are widely cultivated in many parts of the world.