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1. A minor chemical constituent that gives a wine or liquor its distinctive character
    
2. An animal or plant that bears a relationship to another (as related by common descent or by membership in the same genus)
   - relative, congenator, congeneric
    
3. A whole (a thing or person) of the same kind or category as another
   "lard was also used, though its congener, butter, was more frequently employed"; "the American shopkeeper differs from his European congener"

Derived forms: congeners

Type of: being, chemical, chemical substance, organism, unit, whole

Encyclopedia: Congener