资料来源 : WordNet®

Pteretis struthiopteris
     n : tall fern of northern temperate regions having graceful
         arched fronds and sporophylls resembling ostrich plumes
         [syn: {ostrich fern}, {shuttlecock fern}, {fiddlehead}, {Matteuccia
         struthiopteris}, {Onoclea struthiopteris}]