crack the door

crack the door (open)

and crack the window (open)

to open the door or window a very small amount. I cracked open the door to peek out. Just crack the window a bit to let some air inside.

Name	Pronounced	Usage
Mizuki	mee-zoo-kee	Japanese
Elba	EL-bah	Spanish
Amalia	ah-MAH-lee-ah (Dutch, German)	Spanish, Italian, Romanian, Dutch, German, Ancient Germanic (Latinized)
Grga	-	Croatian
Dorete	-	Danish
Jon	[dʒɔn]