(in the U.S. Postal Service) mail consisting of merchandise weighing more than 12 ounces sent at first-class rates.
What Does “ZIP Code” Stand For?It’s a hectic time of year for the U.S. Postal Service. Those packages you ordered on Cyber Monday are steadily arriving. You’re probably even receiving a few holiday greetings the old-fashioned way — snail mail. The half million employees who work for the USPS rely heavily on the five- or nine-digit ZIP codes for efficient and reliable mail delivery. So, it makes sense that the …
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019