1. Plural of nodus; a knot, knob, or node; a point of difficulty or complication.
Usage: formal; technical; chiefly used in anatomy, botany, and mathematics

Examples

• The nodi in the plant stem mark the points where leaves attach.
• In network theory, the nodi represent the key connection points.
• The surgeon identified several nodi along the lymphatic pathway.
• The mathematical model uses nodi to define the structure of the graph.