1. to pull back or open (curtains, drapes, or similar coverings)
2. to withdraw or take back something that has been drawn

Examples

• She undraws the curtains to let in the morning light.
• The hotel staff will undraw the drapes when they clean the room.
• He undraws the heavy velvet curtains with a swift motion.
• Please undraw the blinds so we can see outside.
• The actor undraws the stage curtain to reveal the set.
• They undraw the window coverings every morning at sunrise.