動詞 taper:

1. diminish gradually
   同義詞：taper
2. give a point to
   同義詞：sharpen, taper, point

形容詞 tapered:

1. gradually narrowed toward a point
   同義詞：tapering
2. becoming gradually narrower
   同義詞：tapering, narrowing

1. A long, white linen robe with tapered sleeves worn by a priest at Mass.
   白長袍牧師做彌撒時穿的袖子漸細的白色亞麻長袍
2. The organization tapered off in about a year.
   這個組織在一年左右的時間里逐步停止了活動。
3. A movable rail, tapered at the end, such as that used in a railroad switch.
   轉(zhuǎn)轍器一端尖細可移動的鐵軌，如用于鐵路岔道的
4. A triangular or tapering piece of cloth forming a part of something, as in a skirt or sail.
   Ｖ形三角布組成如裙子或帆的一部分的三角形或錐形的布塊