Word.ws English Dictionary

union bug

union bug noun: a maker’s mark imprinted on a work to show that it is sanctioned by members of a trade union. It is often a tiny elongated rhomboid containing and surrounded by, in minuscule typeface, identifying names and the union’s local chapter number.

Noun

union bug (plural union bugs)

  1. A maker’s mark imprinted on a work to show that it is sanctioned by members of a trade union. It is often a tiny elongated rhomboid containing and surrounded by, in minuscule typeface, identifying names and the union’s local chapter number.
    • Printed matter circulated by the (US) Democratic Party inevitably displays a union bug.

Forms of union bug

pluralunion bugs

Questions about union bug

What does union bug mean?
Union bug means a maker’s mark imprinted on a work to show that it is sanctioned by members of a trade union. It is often a tiny elongated rhomboid containing and surrounded by, in minuscule typeface, identifying names and the union’s local chapter number.
What part of speech is union bug?
Union bug is a noun.
What is the plural of union bug?
The plural of union bug is union bugs.

Words near union bug in the dictionary

  1. uniodized
  2. unioid
  3. unioids
  4. union
  5. union axiom
  6. union bug
  7. union bugs
  8. union card
  9. union catalog
  10. union catalogs
  11. union catalogue

Source and license

Adapted from Wiktionary: union bug (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “union bug.” Word.ws, https://word.ws/union_bug. Based on Wiktionary, CC BY-SA 4.0.