external hard drive
nounUK /ɪkˈstɜːnəl hɑːd draɪv/
US /ɪkˈstɜːrnəl hɑːrd draɪv/
A small box you plug into a computer to save lots of files.
I copied all my photos onto my external hard drive.
RELATED WORDS
OTHER MEANINGS
2. A backup device kept outside the computer case for safety.
Keep your external hard drive in a safe place.
3. A way to move big files between computers.
She used an external hard drive to bring the video to school.
4. Extra space for a computer that is running out of room.
My laptop was full, so I bought an external hard drive.