
Noah Webster
Boulder-wall
BOULDER-WALL, noun [rather bowlder-wall. See Bowlder.]
A wall built of round flints or pebbles laid in a strong mortar, used where the sea has a beach cast up, or where there is a plenty of flints.

BOULDER-WALL, noun [rather bowlder-wall. See Bowlder.]
A wall built of round flints or pebbles laid in a strong mortar, used where the sea has a beach cast up, or where there is a plenty of flints.