"cools" in the noun sense
the quality of being at a refreshingly low temperature
"the cool of early morning"
2. aplomb, assuredness, cool, poise, sang-froid
great coolness and composure under strain
"keep your cool"
"cools" in the verb sense
1. cool, chill, cool down
make cool or cooler
"Chill the food"
2. cool, chill, cool down
"The air cooled considerably after the thunderstorm"
3. cool, cool off, cool down
"His enthusiasm cooled considerably"
Source: WordNet® (An amazing lexical database of English)
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