of a meristem: situated between zones of permanent tissue, thus a shoot growing at the base of a leaf, in comparison with apical growth at the tip of a root or plant
added or having an addition to make the calender year correspond to the solar year; "Feb
{s} inserted, interpolated; of a day or month which has been added to the calendar; having an extra day or month inserted (of a year)
Days or months periodically inserted into a calendar system to adjust the system with the actual physical cycles This allows the seasons to occur at the same time every year