English to English

verb (v)

• grow under conditions that promote development(verb.change)

  source: wordnet30
• sit on (eggs)(verb.body)

  Synonym:
  brood, cover, hatch
  

  source: wordnet30
• To sit, as on eggs for hatching; to brood; to brood upon, or keep warm, as eggs, for the purpose of hatching.(verb)

  source: webster1913