Definition of "patois" in English

noun

1. A regional dialect (usually one considered substandard) of a language (especially French).

2. Any of various French or Occitan dialects spoken in France.

3. Creole French in the Caribbean (especially in Dominica, St. Lucia, Trinidad and Tobago, and Haiti).

4. (Jamaica) Jamaican Patois, a Jamaican creole language based primarily on English and African languages but also having influences from Spanish, Portuguese, and Hindi.

5. Jargon or cant.