Definition of "varietal"

varietal

/vəˈɹaɪətəl/

adjective
not comparable
1. (biology) Pertaining to a distinct variety of organism.
2. Made from a single specific variety (especially of grapes in wine).
3. (linguistics) Of or relating to a variety of a language.
  Quotations
  An assessment of a selection of regional, varietal, and slang dictionaries also found that little lexicographical effort has been extended to these terms.
  2018, James Lambert, “A multitude of ‘lishes’: The nomenclature of hybridity”, in English World-Wide‎, page 2
noun
plural varietals
1. A wine made primarily from or exclusively from a single variety of grape, which carries the name of that grape.
2. (by extension) A coffee made primarily from or exclusively from a single variety of coffee bean.