1. of, relating to, or resembling a columella (a small column-like structure)
Usage: technical; biology; anatomy
2. of or relating to the columella of a snail shell or similar mollusk structure
Usage: zoology; malacology

Examples

• The columellar structure in the inner ear plays an important role in sound transmission.
• Malacologists examine the columellar axis of gastropod shells to classify species.
• The columellar region of the nasal septum requires careful surgical handling.
• Columellar cartilage provides structural support in the nose.
• The columellar fold is visible in cross-sections of certain mollusk shells.