名詞 fern:

1. any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores

1. The trunk of a palm or tree fern.
   棕櫚樹(shù)或樹(shù)蕨的樹(shù)干
2. An area overgrown with this fern.
   歐洲蕨林被這種蕨覆蓋的地帶
3. The hillsides are covered with ferns.
   山坡上長(zhǎng)滿了蕨類(lèi)植物。

fern

n.（名詞）
Any of numerous flowerless, seedless vascular plants having roots, stems, and fronds and reproducing by spores.
蕨，蕨類(lèi)植物：數(shù)量較大的有根、莖以及復(fù)葉的無(wú)花、無(wú)子管狀植物，通過(guò)孢子再生

來(lái)源：
Middle English
中古英語(yǔ)
from Old English fearn * see per- 2
源自 古英語(yǔ) fearn *參見(jiàn) per- 2

【引伸】
fern.y
adj.（形容詞）