1. The set of all points or lines that satisfy or are determined by specific conditions
   "the locus of points equidistant from a given point is a circle"
    
2. The specific site of a particular gene on its chromosome
   "The researchers identified the locus of the gene responsible for the genetic disorder"
    
3. The scene of any event or action (especially the place of a meeting)
   "The picturesque village served as the locus for the romantic comedy";
   - venue, locale

Derived forms: loci

Type of: scene, set, site, situation

Encyclopedia: Locus