Definitions for "Machicolations"
Projecting gallery on brackets, on outside of castle or towers, with holes in floor for dropping rocks, shooting, etc.
openings formed for the purpose of defense at the tops of castles and fortifications by setting the parapet out on corbels to make it project beyond the face of the main wall. The space between the corbels left open to allow missiles to be thrown down.
An opening between the corbel stones of a protecting roof through which missiles or hot fluids could be discharged on assailants below.