1. Plural of hammerbeam; short horizontal beams that project inward from opposite walls of a building to support a roof structure, typically used in medieval timber-framed architecture.
Usage: architectural term; chiefly British

Examples

• The medieval hall featured ornate hammerbeams that supported the high timber roof.
• Hammerbeams allowed architects to span wider spaces without central supporting columns.
• The church's hammerbeams were carved with decorative figures and gilded details.
• Westminster Hall is famous for its impressive hammerbeams, built in the 14th century.
• The restoration team carefully preserved the original hammerbeams during the renovation.