Word.ws English Dictionary

yellow boy

yellow boy noun: a gold coin; a guinea or sovereign.

Noun (1)

yellow boy (countable and uncountable, plural yellow boys)

  1. (archaic, countable, historical, slang) A gold coin; a guinea or sovereign.
    • “Damn them, (cried the commodore) I wish both their necks were broke, thof the two cost me forty good yellow-boys.” “Forty guineas! (exclaimed the stranger […]).”1751, [Tobias] Smollett, The Adventures of Peregrine Pickle […], volume (please specify |volume=I to IV), London: Harrison and Co., […], →OCLC
    • This enchanting game she has played for two years, and if you are her partner, she expects at least double the number of yellow boys.1789, Harris's List of Covent-Garden Ladies, London: H. Ranger, page 63
  2. (slang, uncountable) Iron(III) hydroxide, a yellow-orange solid found in acidic water from mining projects.
  3. (US, countable, historical, slang) Synonym of goldback (“kind of gold certificate”).
    Synonyms:
    goldback

Noun (2) capitalized: Yellow Boy

Yellow Boy (plural Yellow Boys)

  1. (informal) A Winchester Model 1866 lever action rifle.

Synonyms of yellow boy

Forms of yellow boy

pluralyellow boys
pluralYellow Boys

Origin of yellow boy

From the golden yellow colour of its receiver.

Questions about yellow boy

What does yellow boy mean?
Yellow boy means a gold coin; a guinea or sovereign.
What part of speech is yellow boy?
Yellow boy is a noun.
What is the plural of yellow boy?
The plural of yellow boy is yellow boys.

Words near yellow boy in the dictionary

  1. yellow bobs
  2. yellow bone
  3. yellow bones
  4. yellow box
  5. yellow boxes
  6. yellow boy
  7. yellow boys
  8. yellow brain
  9. yellow brain fungi
  10. yellow brain fungus
  11. yellow brains

Source and license

Adapted from Wiktionary: yellow boy (page history and authors); Yellow Boy (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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Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-yellow boy.ogg.

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