The crossword solution for the term 'cold treat with a rhyming name' is FROYO, which is an abbreviation for frozen yogurt. Frozen yogurt is a popular cold treat that is made from yogurt and other ingredients such as milk, cream, and sugar. It is usually served in a soft-serve form and is often topped with fruit, candy, or other sweet toppings. The name FROYO rhymes with the word 'HALO, ' making it a fun and catchy name for this delicious treat.