Snecked

form of rubble construction composed of squared stones in which the coursing is varied by small filler stones or snecks.
Found on http://www.encyclo.co.uk/local/20935

Snecked

Snecked rubble is a form of wall construction in which squared and often finely-dressed stones are laid in an irregular manner. The coursing is broken up by smaller stones called snecks. The surface of stones in a snecked-rubble wall is often stugged.
Found on http://www.encyclo.co.uk/local/20938
No exact match found