TAPER

noun

1. A slender wax candle; a small lighted wax candle
2. (by extension) a small light.
3. A tapering form; gradual diminution of thickness and/or cross section in an elongated object

verb

1. To make thinner or narrower at one end.
2. To diminish gradually.

adjective

1. Tapered; narrowing to a point.