Across
5 Tannic or tartaric? (4) Acid
6 He may serve you up a corker! (6) Waiter
9 Of wine that is pleasing and refined (7) Elegant
10 Fitting, to say the least (3) Apt
11 I can hold my liquor! (4) Cask
13 Scent ... aroma ... nay, bouquet of wine (4) Nose
15 Descriptive of a wine with plenty of alcohol (3) Big
16 Grape variety responsible for the driest Madeira (7) Sercial
18 French appellation from the Côte de Beaune (6) Volnay
19 They demonstrate this wine's a runner (4) Legs

Down
1 Rosé is a speciality of this southern Rhône appellation (5) Tavel
2 With grapes just so, the harvest beckons (4) Ripe
3 DOCG of NW Italy where Barolo's best (9) Gattinara
4 '___ Imperial' - Moët's brand leader (4) Brut
7 Alternative term for 19 (5) Tears
8 New Zealand coastal area where fine reds and whites abound (6,3) Hawkes Bay
12 A divine blamed for loss from 11 through evaporation (5) Angel
14 Pale pink - what the French call 'gris' (5) Blush
15 A drink ... (4) Bevy
17 ... that's over-chilled (4) Iced