名詞 ornamental:

1. any plant grown for its beauty or ornamental value

形容詞 ornamental:

1. serving an esthetic rather than a useful purpose
   同義詞：cosmetic, decorative

1. Modern pottery is usually ornamental.
   現(xiàn)代陶器通常用作裝飾品。
2. The art or act of decorating a text, a page, or an initial letter with ornamental designs, miniatures, or lettering.
   彩飾，圖案花飾用裝飾圖案、小型畫或字母對(duì)書籍、書頁(yè)或開頭字母進(jìn)行裝飾的藝術(shù)或行為
3. Ornamental copper pans hung on the wall.
   墻上掛著裝飾性的銅盤。
4. I've just dropped one of your china ornamental.
   我剛才把你的一個(gè)瓷器裝飾品弄掉了。

or.na.men.tal

adj.（形容詞）
Of, relating to, or serving as an ornament or a decoration.
裝飾的：屬于、有關(guān)或作為一種裝飾品或裝飾物的
n.（名詞）
Something that serves as ornamentation, especially a plant grown for its beauty.
裝飾品：作為裝飾品的東西，尤指觀賞性植物

【引伸】
or.namen.tally
adv.（副詞）