noun A moderate, but uncomfortable and penetrating coldness.
There was a chill in the air.
noun 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.
Close the window or you'll catch a chill.
noun 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.
Despite the heat, he felt a chill as he entered the crime scene.
noun 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.
noun The hardened part of a casting, such as the tread of a carriage wheel.
noun A lack of warmth and cordiality; unfriendliness.