noun
: a gyrfalcon ( Falco rusticolus candicans ) of northern No. America that is predominantly white with slaty or brownish gray barring or spotting on the upper parts
noun
: a gyrfalcon ( Falco rusticolus candicans ) of northern No. America that is predominantly white with slaty or brownish gray barring or spotting on the upper parts
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012