Meaning of the word "call in sick" in English

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

call in sick

US /kɔl ɪn sɪk/
UK /kɔl ɪn sɪk/
"call in sick" picture

Idiom

to telephone one's employer to say that one is unable to come to work because of illness

Example:
I have to call in sick today because I have a fever.
She decided to call in sick and spend the day resting.