having a day or month inserted to make the calendar year correspond to the solar year: Feb. 29 is an intercalary day; a leap year is an intercalary year'
WordNet 3.0 Copyright 2011 by Princeton University. All rights reserved.
having a day or month inserted to make the calendar year correspond to the solar year: Feb. 29 is an intercalary day; a leap year is an intercalary year'