tubercle > define

noun

• A swelling that is the characteristic lesion of tuberculosis.
• Small rounded wartlike protuberance on a plant.
  • synonyms: nodule
• A protuberance on a bone especially for attachment of a muscle or ligament.
  • synonyms: tuberosity, eminence

• (n.) A small mass or aggregation of morbid matter; especially, the deposit which accompanies scrofula or phthisis. This is composed of a hard, grayish or yellowish, translucent or opaque matter, which gradually softens, and excites suppuration in its vicinity. It is most frequently found in the lungs, causing consumption.
• (n.) A small knoblike prominence or excrescence, whether natural or morbid; as, a tubercle on a plant; a tubercle on a bone; the tubercles appearing on the body in leprosy.