Meaning of the word "thumb drive" in English

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

thumb drive

US /ˈθʌm draɪv/
UK /ˈθʌm draɪv/

Noun

a small, portable flash memory device that plugs into a computer's USB port and is used for storing and transferring data

Example:
I saved all my important documents on my thumb drive.
Can you copy these files onto a thumb drive for me?