cellar door

noun2

1. •
   A door leading to a cellar.

   • The cellar-door flew open with a booming sound, and then he heard the noise much louder, on the floors below; then coming up the stairs; then coming straight towards the door. — 1843
2. •
   The part of a winery from which wine may be sampled or purchased.

   • The 1996 Semillon Sauvignon Blanc I tasted at the cellar door was a very stylish polished wine with lifted aromatic jasmine and passionfruit aromas leaping out of the glass. — 1998