1. The occurrence of a normal tissue or organ at an abnormal place or wrong part of the body: Heterotopia is the strange displacement of a body part or organ.

Heterotopia can refer to a malposition, especially if congenital which is present at birth.
2. In biology, the occurrence of an organism in a wide variety of habitats: Mr. Small told his students about heterotopia as the situation in which one plant or animal could survive in various and unlike environments due to their ability of adaption.