tail, tail assembly, empennage

the rear part of an aircraft

• rear, back — the side that goes last or is not normally seen

• horizontal tail — the horizontal stabilizer and elevator in the tail assembly of an aircraft
• stabilizer — airfoil consisting of a device for stabilizing an aircraft
• vertical tail — the vertical airfoil in the tail assembly of an aircraft

• fuselage — the central body of an airplane that is designed to accommodate the crew and passengers (or cargo)