As a Noun:
1. The person, group of people, or family, that lives immediately next to, or very close to, your house or home. English = neighbour, neighbours.
2. The house that belongs to the people who live immediately beside your house. English = next door, the place next door.
As a Verb or Adjective:
1. To live next door or very close to someone. English = (be) the next door neighbour, (be) a neighbour.