terroirPronunciation: /tɛrˈwɑː, tɛrwar/Definition of terroir noun the complete natural environment in which a particular wine is produced, including factors such as the soil, topography, and climate. (also goût de terroir /ˌguː də, gu də/) the characteristic taste and flavour imparted to a wine by the environment in which it is produced. Origin:French, 'land', from medieval Latin terratoriumterroir in other Oxford dictionaries Definition of terroir in the US English dictionary