Types of kidney cysts. There are two known types of kidney cysts, the first is Polycystic Kidney Disease (PKD) which is a genetic disorder of unknown causes and the second type is due to impaired kidney function.
navigates; navigated; navigating. Learner's definition of NAVIGATE. 1. : to find the way to get to a place when you are traveling in a ship, airplane, car, etc. [no object] For thousands of years, sailors navigated by the stars.
Freebase(0.00 / 0 votes)Rate this definition: Navigation. Navigation is a field of study that focuses on the process of monitoring and controlling the movement of a craft or vehicle from one place to another. The field of navigation includes four general categories: land navigation, marine navigation, aeronautic navigation, and space navigation.