1. Plural of clavus; a nail-like projection or structure, especially in anatomy or botany.
Usage: technical; medical/anatomical term
2. In Roman history, plural of clavus; a narrow purple stripe worn on the tunic of a Roman knight or senator.
Usage: historical; archaic

Examples

• The anatomist examined the clavi on the bone under the microscope.
• Roman senators were distinguished by the clavi on their togas.
• The plant's clavi served as attachment points for climbing vines.
• Medieval texts describe the clavi as symbols of rank in Roman society.