defrag

[ dee-frag ]
/ diˈfræg /
Computers Informal.

verb (used with object), de·fragged, de·frag·ging.

to reorganize files on (a hard disk drive) so that the parts of each file are stored in contiguous sectors on the disk, thereby improving computer performance and maximizing disk space.

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Origin of defrag

First recorded in 1985–90; short for defragment
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for defrag

defrag
/ (ˈdiːfræɡ) /

verb -frags, -fragging or -fragged

to consolidate fragmented files and folders on (the hard drive of a computer or other electronic device) in order to make it run more efficiently

Word Origin for defrag

short for defragment
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012