Bissextile ..... bis-sex-tile. adj. - Of or relating to a lep year.
Of or relating to the extra day falling in a leap year.
n. - A leap year.
2008 is a Leap year! That means this year has 366 days instead of the usual 365. The extra day is February 29th is called an intercalary day (that's a word Webster's uses to refer to a day or month that has to be inserted into the calendar).
Leap year generates great fear and trepidation in "unhitched" males. It is the date in history when "hopeeful ladies are supposed to take bold steps." defy the historical rules of courtship, and propose marriage to the objects of their affection. Some say the custom originated in the fifth century Island, where St. Patrick allowed woman to take the initiative every four years after St. Brigid complained to him that they were having to wait too long for husbands.