Overlap

To lap over; to lap.

The lapping of one thing over another; as, an overlap of six inches; an overlap of a slate on a roof.

An extension of geological beds above and beyond others, as in a conformable series of beds, when the upper beds extend over a wider space than the lower, either in one or in all directions.

a representation of common ground between theories or phenomena; "there was no overlap between their proposals"

the property of partial coincidence in time