This is the 4363rd most frequent Portuguese word.
aquecer
To warm up or heat.
aquecer here means to warm up or heat something up, often referring to food or drinks.
Eu gosto de aquecer o café pela manhã.
I like to warm up the coffee in the morning.
aquecer in this sentence refers to the act of preparing or warming up physically, commonly used in fitness contexts.
Antes de correr, é bom aquecer os músculos.
Before running, it's good to warm up the muscles.
aquecer here is used metaphorically to describe the sun warming up the surroundings gradually.