Definitions
1.verbTo pull back inside."An airplane retracts its wheels for flight."
2.verbTo draw back; to draw up."A cat can retract its claws."
3.verbTo take back or withdraw something one has said."I retract all the accusations I made about the senator and sincerely hope he won't sue me."
4.verbTo take back, as a grant or favour previously bestowed; to revoke.
5.adjectiveWithdrawn back and in, as the claws of a cat
6.adjective(of a sound) pronounced further back in the vocal tract
7.adjectiveCouped by a line diagonal to the main direction