| a. | 1. | ||||
| 1. | (Chron.) Inserted or introduced among others in the calendar; | ||||
| 2. | Introduced or inserted among others; additional; supernumerary.
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| Adj. | 1. | intercalary - added or having an addition to make the calender year correspond to the solar year; "Feb. 29 is an intercalary day"; "leap year is an intercalary year" |