Both Uses of

retract
in
The Poisonwood Bible

During the second interview, Nathan even retracted baptism as a specific program, and suggested we might organize some kind of sprinkling.†
Chpt 2 *

Now, after stretching his wings he retracts them again, stretches out his head, and waddles, making his tedious way up one branch and down another.†
Chpt 2

Definitions:

(1) (retract)
to take back; or to move back or in
in various senses, including:
- to take back something previously said -- such as a promise or opinion
- to move back or in -- such as an airplane's landing gear, or pulling your hand back after being burned
- in surgery, the use of a medical instrument to draw skin or an organ back out of the way
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

Less commonly, in phonetics retract references changing the sound of a vowel by pulling the tongue back.