1. squared or finely dressed stone used in building; masonry made of such stones.
Usage: also spelled 'ashlaring' when referring to the technique or the stones collectively
2. a thin wall or partition of ashler stone, especially one used to face a timber frame.
Usage: architectural term

Examples

• The cathedral's exterior was built with fine ashler blocks quarried from the local stone pit.
• Medieval builders preferred ashler for important structures because of its durability and appearance.
• The ashler facing gave the timber-frame house a more substantial and finished look.
• Masons carefully shaped each piece of ashler to fit precisely with its neighbors.
• The restoration project required replacing damaged ashler stones with matching material.