'Take-off' definitions:

Definition of 'Take-off'

From: GCIDE

Takeoff \Take"off`\, Take-off \Take"-off`\, n.
1. An imitation, especially in the way of caricature; -- used with of or on; as, the comedian did a hilarious takeoff on the president. [1913 Webster +PJC]
2. The spot at which one takes off; specif., the place from which a jumper rises in leaping. [Webster 1913 Suppl.]
The take-off should be selected with great care, and a pit of large dimensions provided on the landing side. --Encyc. of Sport. [Webster 1913 Suppl.]
3. The beginning of a leap from a surface or a flight into the air, especially the process or event of an airplane leaving the ground and beginning its flight; as, the takeoff of flight CA123 was scheduled for 3:00 PM. [PJC]