OVERLAPS
Noun
overlaps
plural of overlap
Source: Wiktionary
OVERLAP
O`ver*lap", v. t. & i.
Definition: To lap over; to lap.
O"ver*lap`, n.
1. The lapping of one thing over another; as, an overlap of six
inches; an overlap of a slate on a roof.
2. (Geol.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition