"Goad-spur, 13th or 14th century. A spur without a rowel and having a single more or less blunt point. In the early middle ages this was the common form in Europe." -Whitney, 1911

Goad-Spur

"Goad-spur, 13th or 14th century. A spur without a rowel and having a single more or less blunt point.…

A sharp point on the outside of a building.

Spurs

A sharp point on the outside of a building.