Aviation Dictionary
وقتی که هواپیمای درحال فرود سطح باند فرودگاه را لمس کند و بلافاصله اوج گرفته و پرواز نماید
A type of flight practice in which the pilot makes a series of landings and takeoffs. The landing is made, but the aircraft is not allowed to come to a complete stop before power is applied and the takeoff is made.