Meaning of the word heatwave in English

What does heatwave mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

heatwave

US /ˈhiːtˌweɪv/
UK /ˈhiːtˌweɪv/

Noun

a prolonged period of abnormally hot weather

Example:
The country is experiencing a severe heatwave.
Many people suffered from dehydration during the recent heatwave.