General Definition: 1. A way of indicating a specific location where a substantial thing is locate. Often the area it covers is large and/or the buildings are large or the activity or work that takes place there is important (e.g., school, university, hospital, factory, office tower). As a Verb or Adjective: 1. Used to describe a particular place or site where work is taking place or where people stay. English = (be) on-site. 2. As Modifier: 1. Used next to a verb to indicate the activity takes place at a particular place or site. English = on-site.