fer definition
Freebase(0.00 / 0 votes)Rate this definition: Fer. Fer is a red French wine grape variety that is grown primarily in South West France and is most notable for its role in the Appellation d'Origine ContrÃ´lÃ©e wines of Gaillac, Marcillac and BÃ©arn but can also be found as minor component in the wines of Madiran, CabardÃ¨s and Bergerac.