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
Jodocus	yo-DO-kəs (Dutch)	Dutch (Archaic), Ancient Celtic (Latinized)
Baptista	-	Late Roman
Swanhild	-	German
Dolores	do-LO-res (Spanish), də-LAWR-is (English)	Spanish, English
Mac	[mæk]
Rathna	-	Tamil