intercalaire

Etymology
..

Noun

 * 1) divider separator used to divide sheets of paper

Adjective

 * 1) intercalary concerning the maintenance or re-establishment of harmony between man-made systems of timekeeping and natural time cycles by adjusting the former to accord with the latter
 * 2)  appended or interposed to a chronology to achieve such harmony
 * 3)  augmented by the insertion of shorter units of duration (such as days or months) in order to achieve such harmony
 * 4) dividing serving as a divider
 * 5) inserted, interposed
 * 1) inserted, interposed