noun
: a delicate fern ( Cystopteris fragilis ) widely distributed in Europe, Asia, and No. America with 2 or 3 thin pinnatifid fronds, creeping rootstocks, and slender brittle stems — called also brittle fern
noun
: a delicate fern ( Cystopteris fragilis ) widely distributed in Europe, Asia, and No. America with 2 or 3 thin pinnatifid fronds, creeping rootstocks, and slender brittle stems — called also brittle fern
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012