noun
: a white-flowered very deep-rooted perennial herb ( Arenaria caroliniana ) of the southeastern U.S. — called also longroot
noun
: a white-flowered very deep-rooted perennial herb ( Arenaria caroliniana ) of the southeastern U.S. — called also longroot
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012