2Usually in form pebblestone. Pebbles collectively, as a material; coarse gravel, conglomerate. Also: any of various decorative or building materials incorporating pebbles or having a surface resembling pebbles.
Origin
Old English. From a first element of uncertain origin + stone.
Definition of pebble stone in US English:
pebble stone
nounˈpɛbl stəʊn
1Pebble.
2Usually in form pebblestone. Pebbles collectively, as a material; coarse gravel, conglomerate. Also: any of various decorative or building materials incorporating pebbles or having a surface resembling pebbles.
Origin
Old English. From a first element of uncertain origin + stone.