square
n.— «This time last year, roof repairs generally cost $180 to $240 per every 100 square feet, or what the industry calls a “square,” said Aaron Anders, who owns a local roofing company. Today, he said, roof work costs from $240 to $300 per square.» —“Homeowners, insurers increasingly dispute roof repairs” by Purva Patel Houston Chronicle (Texas) Dec. 12, 2008. (source: Double-Tongued Dictionary)
Further reading
Brian from Lafayette, Indiana, wonders why chicken is abbreviated CHX in the restaurant industry. Using X as a substitute or shortener has a long history. Medieval scribes sometimes drew a line through the final stroke of an abbreviated word. This...
Responding to someone during a dispute with What does that have to do with the price of tea in China? is a way to deflect the comment or derail the discussion entirely. While the phrase the price of tea in China is the most common version...