1.
The ~ of something is the heat that it has or produces.
She went further into the room, drawn by the ~ of the fire...
N-UNCOUNT
2.
The ~ of something such as a garment or blanket is the protection that it gives you against the cold.
The blanket will provide additional ~ and comfort in bed.
N-UNCOUNT
3.
Someone who has ~ is friendly and enthusiastic in their behaviour towards other people.
He greeted us both with ~ and affection.
N-UNCOUNT