- to slip to one side.
- (of an airplane when banked excessively) to slide sideways in a downward direction, toward the center of the curve described in turning.
- an act or instance of sideslipping.
- a sideways skid, as of a motor vehicle
- a sideways and downward movement towards the inside of a turn by an aircraft in a sharp bank
- another name for slip 1 (def. 12)