juvenile

Definitions

General English

  • adjective referring to young people
  • adjective silly and annoying
  • noun a young person, officially, one under eighteen years of age

Agriculture

  • adjective referring to an animal, plant, organ or type of behaviour that is not yet adult
  • noun a young animal or plant

Medical

  • adjective relating to or affecting children or adolescents
http://www.dictionarycentral.com/definition/juvenile.html