onlap
American
[on-lap, awn-]
/ ˈɒnˌlæp, ˈɔn- /
noun
Geology.
-
the advance of a sea beyond its former shore.
-
the layer or layers of sedimentary rock formed on a seafloor as a result of a sea’s advance beyond its former shore.
Etymology
Origin of onlap
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
