Definition of "fragment"

fragment

/ˈfɹæɡmənt/

noun
plural fragments
1. A part broken off; a small, detached portion; an imperfect part, either physically or not
  Quotations
  […] and two enormous Scottish poems, the Buik of Alexander, which has been improbably ascribed to Barbour, and Sir Gilbert Hay's Buik of Alexander the Conquerour; one nearly complete Prose Life of Alexander and fragments of four others; a stanzaic translation of the Fuerres de Gadres which survives only in a fragment, the Romance of Cassamus, and three separate translations of the Secreta Secretorum.
  2012, William Matthews, The Tragedy of Arthur‎, University of California Press, page 68
2. (grammar) A sentence not containing a subject or a predicate.
3. (computing) An incomplete portion of code.
4. (Internet) A portion of a URL referring to a subordinate resource or anchor (such as a specific point on a web page), introduced by the # sign.
  Quotations
  Unique URLs requires you to make like an information architect and do some URL design work. Possibly, you'll be controlling only the fragment identifier rather than the entire URL, but even the fragment identifier has usability implications.
  2006, Michael Mahemoff, Ajax Design Patterns, O'Reilly Media, page 523
verb
third-person singular simple present fragments, present participle fragmenting, simple past and past participle fragmented
1. (intransitive) To break apart.
  Quotations
  Once the centralized power of Rome fragmented, economic, social and political power simplified and relocalized.
  2023 July 31, Charles Hugh Smith, Lessons from the Unraveling of the Roman Empire: Simplification, Localization‎
2. (transitive) To cause to be broken into pieces.
3. (transitive, computing) To break up and disperse (a file) into non-contiguous areas of a disk.