Noun tubercle has 3 senses
  1. tubercle - a swelling that is the characteristic lesion of tuberculosis
    --1 is a kind of
  2. nodule, tubercle - small rounded wartlike protuberance on a plant
    --2 is a kind of plant process, enation
  3. tuberosity, tubercle, eminence - a protuberance on a bone especially for attachment of a muscle or ligament
    --3 is a kind of process, outgrowth, appendage
    --3 has particulars: deltoid tuberosity, deltoid eminence