Definition of erase head
: a device mounted on a magnetic recorder that obliterates previous recordings on the magnetic medium by demagnetization just before a new recording is made
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up erase head? Please tell us where you read or heard it (including the quote, if possible).