roofing square
n.β Β«βI’m at the point where I need to stay in shape to maintain a certain output, workwise,β said Mr. Entrekin, 51. βWhen I was in my prime, I could nail 14 squares a day. Now I’m happy with 6.β (One roofing square is equal to 100 square feet.)Β» βββIndustrial Athletes’: Men With the Goods” by Bradley Melekian New York Times Oct. 26, 2006. (source: Double-Tongued Dictionary)