noun
or windowpane shell
: a mollusk of the genus Placuna that is especially common in the Philippines and has a large flat somewhat pearly paper-thin shell used for thousands of years especially by the Chinese as a substitute for glass
noun
or windowpane shell
: a mollusk of the genus Placuna that is especially common in the Philippines and has a large flat somewhat pearly paper-thin shell used for thousands of years especially by the Chinese as a substitute for glass
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012