nodule
1. [ noun ] (biology,anatomy) a small node
Related terms: node
2. [ noun ] (mineralogy) a small rounded lump of mineral substance (usually harder than the surrounding rock or sediment)
Related terms: hunk geode mineralogy
3. [ noun ] (botany,zoology) small rounded wartlike protuberance on a plant
Synonyms: tubercle
Related terms: plant_process
Similar spelling:   noodle
  noddle
  Nodal