certified public accountant. n. 1. (Accounting & Book-keeping) (in the US) a public accountant certified to have met state legal requirements. Compare certified accountant.
In the United States, Labor Day is a federal holiday observed on the first Monday of September. It is customarily viewed as the end of the summer vacation season. Many schools open for the year on the day after Labor Day. The holiday is shared with Canada, where it is known as Labour Day.
Labor Day celebrates the American Labor force and is dedicated to the economic and social prosperity of workers. It is celebrated every first Monday of September, and has been a federal holiday since 1894.