The rising or ascent of an aircraft or rocket into flight. / A parody or lampoon of someone or something. / A quantification, especially of building materials.

plural of takeoff

(aviation) A takeoff of an aircraft which is aborted by the pilot.

plural of rejected takeoff

plural of rolling takeoff

(aviation) A takeoff where the aircraft taxis into takeoff position and immediately starts to accelerate for takeoff, without stopping on the runway.