moss /mɒs $ mɒːs/ BrE AmE noun [uncountable and countable]
[ Language: Old English ; Origin: mos 'wet ground' ]
a very small green plant that grows in a thick soft furry mass on wet soil, trees, or rocks
—mossy adjective :
a high, mossy wall
moss /mɒs $ mɒːs/ BrE AmE noun [uncountable and countable]
[ Language: Old English ; Origin: mos 'wet ground' ]
a very small green plant that grows in a thick soft furry mass on wet soil, trees, or rocks
—mossy adjective :
a high, mossy wall
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012