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Oseille

« Oseille » est un mot de la langue française qui désigne d’abord une plante potagère au goût acide, généralement du genre Rumex, utilisée en cuisine.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

"Oseille" is a French word that primarily denotes a sour-tasting garden plant, typically of the genus Rumex, used in cooking. In familiar and slang usage, the term also means "money" or "cash," giving rise to popular expressions such as "avoir de l'oseille." The word is attested in French dictionaries with both botanical and colloquial senses.

Botanical meaning

"Oseille" refers to a perennial plant of the Polygonaceae family, valued for its acidic leaves, which are commonly cooked and used in soups and sauces. Dictionaries describe it as a garden vegetable consumed in various culinary preparations.

Familiar and slang meaning

In colloquial French, "oseille" signifies "money" or "currency." This usage is widely recorded in contemporary dictionaries and appears in everyday speech, as in the phrase "avoir de l'oseille" (to have money).

Etymology and evolution

Lexicographic sources trace the word to Late Latin *acidula*, influenced by Classical Latin *oxalis*. The term evolved from its botanical sense to a slang term for money, reflecting a shift in meaning over time.

Expressions and usage

Slang has produced several phrases involving "oseille," including "avoir de l'oseille" and "la faire à l'oseille." Some of these expressions are older or less common, but they illustrate the word's richness in popular French.

Key facts

  • The primary meaning of "oseille" is a sour-tasting garden plant (Rumex) used in cooking.
  • In familiar usage, "oseille" means money or cash.
  • The word is attested in French dictionaries with both botanical and slang senses.
  • Oseille is commonly used in cuisine, especially in soups, sauces, and egg dishes.
  • Expressions such as "avoir de l'oseille" rely on the slang sense of the word.
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Canadian context

Le mot est surtout pertinent pour les lecteurs canadiens francophones comme terme du français familier et comme nom culinaire d’une plante consommée en cuisine.

Frequently asked questions

What does "oseille" mean?
The word can refer to a sour-tasting garden plant or, in colloquial French, to money.
Is "oseille" a botanical term?
Yes. It denotes an edible plant of the Polygonaceae family, used mainly for its leaves.
Does "oseille" mean "money"?
Yes. In familiar and slang usage, "oseille" means money or cash.
Where does the word "oseille" come from?
Dictionaries trace it to Late Latin *acidula*, with influence from Classical Latin *oxalis*.
How is "oseille" used in cooking?
It is mostly eaten cooked, for example in soups, sauces, or dishes like eggs with sorrel.
Is the expression "avoir de l'oseille" common?
Yes. It is a familiar phrase meaning "to have money."

References

  1. Laroussehttps://www.larousse.fr/dictionnaires/francais/oseille/56678
    Supports: Sens de plante vivace du genre Rumex et sens populaire « argent, fric ».
  2. Le Roberthttps://dictionnaire.lerobert.com/definition/oseille
    Supports: Définition botanique de la plante au goût acide et usage culinaire.
  3. CNRTLhttps://www.cnrtl.fr/definition/oseille
    Supports: Sens botanique, sens argotique « argent » et locution « la/le faire à l’oseille ».
  4. Académie françaisehttps://www.dictionnaire-academie.fr/article/A2O0302
    Supports: Ancien sens de plante potagère au goût aigre et exemples d’usage.
  5. France Culturehttps://www.radiofrance.fr/franceculture/podcasts/le-monde-vivant/une-plante-bien-riche-7984160
    Supports: Origine étymologique et passage au sens d’argent dans l’argot parisien.