What are the best answers for “a stone that forms the top of wall or building”?

capstone, copestone, stretcher.

How many letters does the top answer for “a stone that forms the top of wall or building” have?

The most common answer is capstone (8 letters).

3 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

capstone 8 letters wn-def

a stone that forms the top of wall or building

copestone 9 letters wn-def

a stone that forms the top of wall or building

stretcher 9 letters wn-def

a stone that forms the top of wall or building