1. relating to or resembling a nipple or breast
Usage: medical; anatomical
2. having a rounded, breast-like shape or projection
Usage: geological; technical

Examples

• The mammillary bodies are small structures in the brain.
• Mammillary clouds have distinctive rounded protrusions.
• The rock formation showed mammillary weathering patterns.
• Doctors examined the mammillary tissue for abnormalities.
• The cave contained mammillary limestone deposits.
• Mammillary processes extend from certain vertebrae.