noun (n)

• infection transmitted by inhalation or ingestion of tubercle bacilli and manifested in fever and small lesions (usually in the lungs but in various other parts of the body in acute stages)(noun.state)

  Synonym:
  t.b., tb
  

  source: wordnet30
• A constitutional disease characterized by the production of tubercles in the internal organs, and especially in the lungs, where it constitutes the most common variety of pulmonary consumption.(noun)

  source: webster1913