[?n't?:k?l(?)ri, ??nt?'kal(?)ri]
¦ adjective
1. (of a day or month) inserted in the calendar to harmonize it with the solar year, e.g. 29 February.
2. (of an academic period) additional to the standard course and taken at a different institution.
3. Botany denoting meristem tissue located between its daughter cells.
Origin
C17: from L.
intercalarius, from
intercalare (see
intercalate).