| 释义 |
wall fern in American English a small, hardy fern (Polypodium virginianum) of the most common family (Polypodiaceae) of ferns, with densely matted, creeping stems, found on cliffs and walls in E North America and often grown in gardens wall fern in American Englishnounthe polypody, esp Polypodium vulgare or P. virginianum Word origin [1515–25 ]This word is first recorded in the period 1515–25. Other words that entered Englishat around the same time include: accelerate, badger, engage, pioneer, splice |