onlap

== English == === Etymology === From on +‎ lap. === Noun === onlap (plural onlaps) (geology) The phenomenon of successively younger rock strata extending progressively further across an erosion surface cut in older rocks. ==== Synonyms ==== overlap === Verb === onlap (third-person singular simple present onlaps, present participle onlapping, simple past and past participle onlapped) (geology) To form an onlap. ==== Antonyms ==== offlap === Anagrams === Plano, Polan, nopal, plano-