From Longman Dictionary of Contemporary Englishmorainemo‧raine /məˈreɪn/ noun [countable] technicalHEG a mass of earth or pieces of rock moved along by a glacier and left in a line at the bottom of it
Examples from the Corpus
moraine• We are starting with an old farm, while nature may have started with a glacial moraine ten thousand years ago.• At the base there is a locally derived ground moraine that may be a remnant glacial deposit of much greater antiquity.• Skipping down old moraine we reached the banks of the Shyok, more than 160 miles above our last crossing point.• On the lowlands the ice deposited its load of rock debris, or moraine.• The sharp rocks, or moraine, which were stuck in the glaciers caused them to scrape out the valleys much deeper.• Where it was melting a huge pile of boulder clay was built up, as a terminal moraine.• It formed a ridge called a terminal moraine.• Terminal moraines have blocked some rivers, producing long ribbon lakes. 