Mass of pebbles forming a beach (7)
I believe the answer is:
shingle
(Other definitions for shingle that I've seen before include "Small beach pebbles" , "Collection of stones" , "Gravelly composition" , "Mass of small rounded pebbles" , "Bob" .)
I believe the answer is:
shingle
(Other definitions for shingle that I've seen before include "Small beach pebbles" , "Collection of stones" , "Gravelly composition" , "Mass of small rounded pebbles" , "Bob" .)