Assertion: breakwater | /r/HasProperty | perpendicular
Facets:
value: to the coastline
type: LOCATION
value: to the beach
type: LOCATION
Source sentences:
text: A groin is a shoreline structure that is perpendicular to the beach.
text: Groynes are ert or walls perpendicular to the coastline to trap the sedimentation of longshore drift to gradually create a beach and for it ongoing protection by eliminating coastal erosion, often made of greenharts, concrete, rock or wood.