The name leap year probably comes from the fact that while a fixed date in the Gregorian calendar normally advances one day of the week from one year to the next, the day of the week in the 12 months following the leap day (from March 1 through February 28 of the following year) will advance two days due to the extra day (thus leaping over one of the days in the week).
DEFINITION of 'Return'. The gain or loss of a security in a particular period. The return consists of the income and the capital gains relative on an investment. It is usually quoted as a percentage.
DEFINITION of 'Tax Return'. 1. The tax form or forms used to file income taxes with the Internal Revenue Service (IRS).Tax returns often are set up in a worksheet format, where the income figures used to calculate the tax liability are written into the documents themselves.ax returns must be filed every year for an individual or business that received income during the year, whether through regular income (wages), interest, dividends, capital gains, or other profits. 2. A return of excess taxes paid during a given tax year; this is more accurately known as a tax refund. Next Up.