Tapered

verb (used without object)
1.
to become smaller or thinner toward one end.
2.
to grow gradually lean.
verb (used with object)
3.
to make gradually smaller toward one end.
4.
to reduce gradually.
noun
5.
gradual diminution of width or thickness in an elongated object.
6.
gradual decrease of force, capacity, etc.
7.
anything having a tapering form, as a spire or obelisk.
8.
a candle, especially a very slender one.
9.
a long wick coated with wax, tallow, or the like, as for use in lighting candles or gas.
Verb phrases
10.
taper off,

to become gradually more slender toward one end.
to cease by degrees; decrease; diminish:
The storm is beginning to taper off now. I haven’t stopped smoking entirely, but I’m tapering off to three cigarettes a day.

verb
1.
to become or cause to become narrower towards one end: the spire tapers to a point
2.
(often foll by off) to become or cause to become smaller or less significant
noun
3.
a thin candle
4.
a thin wooden or waxed strip for transferring a flame; spill
5.
a narrowing
6.
(engineering) (in conical parts) the amount of variation in the diameter per unit of length
7.
any feeble source of light