Takeoff

Noun

1. A launch or ascent into the air or into flight, such as of an aircraft, rocket, bird, high-jumper etc.

   "The flight was smooth, but the takeoff was a little rough."

2. A parody or lampoon of someone or something.

   "Weird Al's song "Lasagna" is a takeoff on the popular song "La Bamba"."

3. A quantification, especially of building materials.

   "I'll give you an estimate after I do the quantity takeoffs for the trusses and structural steel."

4. The removal of sheets from the press.
5. The spot from which one takes off; specifically, the place from which a jumper rises in leaping.