onlap

[ 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 sea floor as a result of this advance.

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ELEMENTARY SCHOOL PUNCTUATION QUIZ

Punctuation marks help make writing easy to read and understand. Some of the most important ones are the period (.), comma (,), question mark (?), and exclamation point (!). How well do you know how to use them? Find out in this quiz!
Question 1 of 10
Which punctuation mark is best for this sentence? "Can I watch a movie __"
Compare offlap.

Origin of onlap

First recorded in 1945–50; on + lap3
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020