endemic (Adjective) — Of or relating to a disease (or anything resembling a disease) constantly present to greater or lesser extent in a particular locality. ex. "endemic malaria" ex. "food shortages and starvation are endemic in certain parts of the world" ex. "diseases endemic to the tropics"
endemic (Adjective) — (ecology) native to or confined to a certain region. ex. "the islands have a number of interesting endemic species"
endemic (Adjective) — Originating where it is found. ex. "endemic folkways"
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.
endemic (Noun) — A plant that is native to a certain limited area. ex. "it is an endemic found only this island"