Word.ws English Dictionary

blue butter

blue butter noun: a mercurial ointment used to kill parasites.

Noun

blue butter (uncountable)

  1. (obsolete) A mercurial ointment used to kill parasites.

Questions about blue butter

What does blue butter mean?
Blue butter means a mercurial ointment used to kill parasites.
What part of speech is blue butter?
Blue butter is a noun.

Words near blue butter in the dictionary

  1. blue bugle
  2. blue bugles
  3. blue bull
  4. blue bulls
  5. blue bunchgrass
  6. blue butter
  7. blue button
  8. blue buttons
  9. blue carbon
  10. blue card
  11. blue cards

Source and license

Adapted from Wiktionary: blue butter (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: “blue butter.” Word.ws, https://word.ws/blue_butter. Based on Wiktionary, CC BY-SA 4.0.