Awning window

A window unit in which the bottom of the sash swings outward.

Awning Window

A window with hinges at the top allowing it to open out and up.
Found on http://www.encyclo.co.uk/local/20933

Awning Window

A window with an outward opening sash, hung about a horizontal axis at the top or on the friction stays at the sides.
Found on http://www.doric.com.au/GlossaryofTerms.cfm
No exact match found