Definition of "floppy disk" [floppy disk]

• A flexible plastic disk coated with magnetic material and covered by a protective jacket, used primarily by computers to store data magnetically. Also called diskette. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I fed the floppy disk into the drive slot in the computer body and got no further than a single unhelpful word on the screen: PASSWORD?"