The term "taper" is a versatile word in the English language, functioning both as a noun and a verb. As a noun, "taper" typically refers to something that gradually narrows or becomes thinner at one end, such as a candle or a piece of wood shaped like a cone. In this sense, it often describes an object with a gradual decrease in width from one end to the other.

When used as a verb, "taper" means to make something narrower or thinner at one end, or to gradually decrease in size, amount, or intensity. For instance, you might say that a river tapers into a stream as it approaches its source, or that a company decides to taper its production due to declining demand.

Additionally, "taper" can refer to the act of burning down, especially when describing the process of a candle or a fire diminishing over time. This usage is common in contexts involving lighting or illumination.

In summary, whether as a noun or a verb, "taper" conveys the idea of gradual narrowing or reduction, making it a useful term across various fields and scenarios.