noun
1. : any of several American grape ferns (especially Botrychium virginianum ) with clustered sporangia resembling a snake's rattles
2. : chain fern
noun
1. : any of several American grape ferns (especially Botrychium virginianum ) with clustered sporangia resembling a snake's rattles
2. : chain fern
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012