1. the quality or state of being knotty or having knots; the presence of nodes or knot-like swellings
Usage: formal; technical
2. a knot or node; a knotty protuberance or swelling
Usage: rare; technical

Examples

• The nodosity of the old oak tree's trunk made it difficult to cut.
• The physician examined the nodosity on the patient's joint.
• The rope's nodosity prevented it from sliding smoothly through the pulley.
• Botanists studied the nodosity of the plant's stem structure.
• The wood's nodosity affected its grain and workability.