
openings in the roofs of passageways through which missiles and liquids could be dropped onto attackers
Found on
http://www.castles-of-britain.com/glossary.htm

A section between the main gate and a inner portcullis where arrows, rocks, and hot oil can be dropped from the roof though holes. Provides good cover for defenders and leaves the attacker open. Only used when outer gate has been breach.
Found on
http://www.castlesontheweb.com/glossary.html

A section between the main gate and a inner portcullis where arrows, rocks, and hot oil can be dropped from the roof though holes. Provides good cover for defenders and leaves the attacker open. Only used when outer gate has been breach.
Found on
http://www.encyclo.co.uk/local/20018
No exact match found.