1. the quality or state of being cool; coolness
Usage: rare; literary

Examples

• The coolth of the morning air was refreshing after the hot night.
• She sought the coolth of the shaded garden during the heat wave.
• The stone walls provided welcome coolth in the summer cottage.
• He appreciated the coolth of the basement on sweltering days.
• The coolth of the cave offered relief from the desert sun.