an airplane that has 2 main wheels and a small tailwheel. Taildraggers have a habit of going round in circles on the ground when you're learning how to take off.

An aircraft which has an undercarriage arrangement where the mainwheels are under the wing with smaller wheel at the tail end of the fuselage. The aircraft sits on the ground with a nose-high attitude.

Landing gear that includes two main gears (usually located under the wings) and a rear tailwheel attached to the underside of the fuselage. Holds the plane in a nose-up attitude while on the ground. Also used to describe a plane, i.e., “It’s a taildragger I built years ago...