Meaning of the word "boot up" in English

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

boot up

US /buːt ʌp/
UK /buːt ʌp/

Phrasal Verb

(of a computer) to start operating by loading its initial programs

Example:
It takes a few minutes for my laptop to boot up completely.
I need to boot up my computer to check my emails.