1. plural of centrum; the central or main part of something, especially in anatomy or geometry
Usage: technical; anatomy
2. in vertebrate anatomy, the main body of a vertebra
Usage: anatomy; technical

Examples

• The centra of the vertebrae support most of the body's weight.
• In anatomy class, we studied the centra and their role in spinal structure.
• The centra are connected by intervertebral discs.
• Damage to the centra can affect spinal stability.