Retract
Definition 1 of 3
Pro Tip 1/3
Physical Retraction
Used when something physically moves back or re-enters its previous position. She retracted her hand from the flame.
Pro Tip 2/3
Safety Mechanism
Often relates to devices or parts designed to retract for safety or convenience. The seatbelt automatically retracts after being unbuckled.
Pro Tip 3/3
Subtle Movement
Refers to small movements, not necessarily the whole object withdrawing. The turtle retracted its head into its shell.