tuberculous - n.
1 a small rounded protuberance esp. on a bone.
2 a small rounded swelling on the body or in an organ, esp. a nodular lesion characteristic of tuberculosis in the lungs etc.
3 a small tuber; a wartlike growth.

tubercle bacillus a bacterium causing tuberculosis.

tuberculate adj. tuberculous adj. [L tuberculum, dimin. of tuber: see TUBER]