名詞 foliage:

1. the main organ of photosynthesis and transpiration in higher plants
   同義詞：leaf, leafage
2. (architecture) leaf-like architectural ornament
   同義詞：foliation

1. Such foliage used for decoration.
   青枝綠葉，葉飾用作裝飾的綠葉
2. Any of several plant diseases of diverse causes, resulting in sudden death of buds, flowers, foliage, or young fruits.
   枯萎病一種由不同原因引起的植物疾病，會導(dǎo)致芽、花、葉和未成熟果實(shí)的突然死亡
3. He crouched down among the tangled foliage.
   他蹲下把身子藏在紊亂的葉叢中。
4. We carried armfuls of foliage to the bonfire.
   我們給篝火堆挾來幾抱枝葉。

fo.li.age

n.（名詞）

Plant leaves, especially tree leaves, considered as a group.
葉子：植物的葉子，尤其是樹的葉子，通常作為一個(gè)整體
A cluster of leaves.
群葉：一簇樹葉
An ornamental representation of leaves, stems, and flowers, especially in architecture.
葉飾：一種模仿葉、莖和花的裝飾物，尤其用在建筑中

來源：
Alteration influenced by Latin folium [leaf]
受 拉丁語 folium的影響 [樹葉]
of Middle English foilage
中古英語 foilage的變化
from Old French foillage
源自 古法語 foillage
from foille [leaf] * see foil 2
源自 foille [樹葉] *參見 foil2

【引伸】
fo.liaged
adj.（形容詞）