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Overlap
overlap (?), v. t. to lap.
overlap (?), 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.) 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.
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