noun (n)

• any of various tropical plants of the genus Capsicum bearing peppers(noun.plant)

  Synonym:
  capsicum pepper plant, pepper
  

  source: wordnet30
• chiefly tropical perennial shrubby plants having many-seeded fruits: sweet and hot peppers(noun.plant)

  Synonym:
  genus capsicum
  

  source: wordnet30
• A genus of plants of many species, producing capsules or dry berries of various forms, which have an exceedingly pungent, biting taste, and when ground form the red or Cayenne pepper of commerce.(noun)

  source: webster1913