Paddy/ˈpædi/ Definition 1 of 5Pro Tip 1/2Agricultural Term Used mainly to describe fields for growing rice, much like a wheat field. You can see several large paddies from the hilltop. Pro Tip 2/2Geographic Specificity The term 'paddy' is common in countries that grow rice as a staple food. During my trip to Vietnam, I learned about paddy irrigation systems.