in·ter·ca·late [ in túrkə làyt ](past and past participlein·ter·ca·lat·ed, present participlein·ter·ca·lat·ing, 3rd person present singularin·ter·ca·lates)
verb
Definition:
1. transitive verb insert extra time into calendar: to insert an extra day or month into a calendar year in order to keep it consistent with the solar year
2. transitive and intransitive verb insert or introduce: to place something into something else, inserting it between other parts, or be placed between other parts
(
formal
)
[Early 17th century. < Latin intercalat-, past participle of intercalare< calare "proclaim"]
