This is the 1528th most frequent Catalan word.
calent
"Calent" means "hot" in English.
In this context, "calent" means "hot" or "warm" referring to the temperature of the meal.
Aquest sopar està calent.
This dinner is hot.
Here, "calent" is used metaphorically to mean current or urgent, describing the nature of the topic.
És un tema encara molt calent en l'actualitat.
It is still a very hot topic nowadays.
The word "calenta" is the feminine singular form of "calent" and indicates that the cup has a high temperature.