chill - What does it mean?

Noun

(en-noun)

A moderate, but uncomfortable and penetrating coldness.

* {{quote-magazine|year=2013|month=July-August|author=(Henry Petroski)

|title= Geothermal Energy |volume=101|issue=4|magazine=(American Scientist) |passage=Energy has seldom been found where we need it when we want it. Ancient nomads, wishing to ward off the evening chill and enjoy a meal around a campfire, had to collect wood and then spend time and effort coaxing the heat of friction out from between sticks to kindle a flame. With more settled people, animals were harnessed to capstans or caged in treadmills to turn grist into meal.}}

A sudden penetrating sense of cold, especially one that causes a brief trembling nerve response through the body; the trembling response itself; often associated with illness: fevers and chills , or susceptibility to illness.

An uncomfortable and numbing sense of fear, dread, anxiety, or alarm, often one that is sudden and usually accompanied by a trembling nerve response resembling the body's response to biting cold.

An iron mould or portion of a mould, serving to cool rapidly, and so to harden, the surface of molten iron brought in contact with it.

(Raymond)

The hardened part of a casting, such as the tread of a carriage wheel.

(Knight)