Verb
To insert, as a day or other portion of time, in a calendar.
To insert among others, as a verse in a stanza; specif. (Geol.), to introduce as a bed or stratum, between the layers of a regular series of rocks.
Source: Webster's dictionaryIn 2003, a clay-methane hydrate intercalate was synthesized in which a methane hydrate complex was introduced at the interlayer of a sodium-rich montmorillonite clay. Source: Internet
The luni-solar solution for correcting season drift was to intercalate an extra month in certain years to restore the lunar cycle to the solar-season cycle. Source: Internet
The Jewish Nasi was the official who decided when to intercalate the Jewish calendar. Source: Internet