Assertion: castle's wall | /r/CapableOf | alternate to provide a line of fire
Facets:
value: between crenets
type: LOCATION
value: between merlons
type: LOCATION
value: for defenders
type: TRANSITIVE-OBJECT
Source sentences:
text: The top row of stones on a wall or tower which alternate between merlons (raised sections) and crenets (gaps) to provide both cover and a line of fire for defenders.