What is the meaning of endemic?

noun

• A disease that is constantly present to a greater or lesser degree in people of a certain class or in people living in a particular location.
  • synonyms: endemic disease
• A plant that is native to a certain limited area.
  • usage: "it is an endemic found only this island"

adjective

• Of or relating to a disease (or anything resembling a disease) constantly present to greater or lesser extent in a particular locality.
  • usage: "diseases endemic to the tropics"; "endemic malaria"; "food shortages and starvation are endemic in certain parts of the world"
  • synonyms: endemical
• Native to or confined to a certain region.
  • usage: "the islands have a number of interesting endemic species"
• Originating where it is found.
  • usage: "the autochthonal fauna of Australia includes the kangaroo"; "autochthonous rocks and people and folktales"; "endemic folkways"; "the Ainu are indigenous to the northernmost islands of Japan"
  • synonyms: autochthonal, autochthonic, autochthonous, indigenous