If something tapers, or if you taper it, it becomes gradually thinner at one end.
例句
Unlike other trees, it doesn't taper very much. It stays fat all the way up...和別的樹不同，它不是越往上越細(xì)，而是上下一樣粗。...beautiful hands with long, tapering fingers...手指修長纖細(xì)的一雙美手
V-ERG
逐漸減少;逐漸縮小
If something tapers or is tapered, it gradually becomes reduced in amount, number, or size until it is greatly reduced.
例句
There are signs that inflation is tapering...種種跡象顯示，通貨膨脹率在逐漸下降。If you take these drugs continuously, withdrawal must be tapered.如果你一直在服用這些藥，停藥時一定要逐漸停。
N-COUNT
細(xì)長蠟燭;點(diǎn)火木片
A taper is a long, thin candle or a thin wooden strip that is used for lighting fires.
英英詞典釋義
Noun
1. the act of gradually lowering the size or amount;
"the doctor prescribed the tapering of the dose"
Adjective
1. gradually narrowed toward a point;
"a tall tapering spire"
2. becoming gradually narrower;
"long tapering fingers""trousers with tapered legs"