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
Perrine	pe-REEN	French
TimothÉE	tee-mo-TE	French
Carson	['ka:sn]
Rylan	RIE-lən	English (Modern)
Anne (1)	AHN (French), AN (English), AN-ne (Danish), AHN-ne (Finnish), AH-nə (German), AHN-nə (Dutch)	French, English, Swedish, Norwegian, Danish, Finnish, German, Dutch, Basque
Cydney	SID-nee	English (Modern)