1. The lowermost portion of a structure partly or wholly below ground level; often used for storage
   "The old house had a damp cellar that needed waterproofing";
   - basement
    
2. An excavation where root vegetables are stored
   "They kept potatoes and carrots fresh in the root cellar throughout the winter";
   - root cellar
    
3. Storage space where wines are stored
   "The sommelier descended into the wine cellar to select a vintage bottle";
   - wine cellar

1. Store (wine etc.) in a cellar
   "They cellared the vintage wines for aging"

Sounds like:

Derived forms: cellaring, cellars, cellared

Type of: excavation, floor, level, storage space, storey [Brit], story [N. Amer]

Encyclopedia: Cellar