A wine maven.
The definition of a maven is an expert.
An example of a maven is someone who knows all about wine.
Informal an expert or connoisseur, often, specif., a self-proclaimed one
often sp. ma′vin
Origin of mavenYiddish from LHeb m?vin
A person who has special knowledge or experience; an expert.
Origin of mavenYiddish meyvn from Hebrew mēbîn active participle of hēbîn to understand derived stem of bîn to discern byn
- (chiefly US) A self-styled expert in a given field.
- Pam is a coffee maven; she knows so much about coffee.