Locus

n. place, location

The word locus (plural loci) is Latin for "place":Locus (psychology), in industrial psychology, having an internal or external locus of control.Locus (genetics), the position of a gene (or other significant sequence) on a chromosome.Locus (mathematics), the set of points satisfying a particular condition, often forming a curve of some sort.Locus (phonetics), the hypothetical starting point of the formant transitions that characterise plosive consonants acoustically.In the classics, literature or theology, locus (or locus classicus) marks the first appearance of a phrase or the definitive passage that is authoritative for an idea.Locus (law), in Scots Law, the place which is the location of a crime or incident subject of lawful or legal enquiry.
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Locus /lo·cus/ pl. lo´ci, lo´ca [L.] 1. place; site. 2. in genetics, the specific site of a gene on a chromosome. [more]Locus - Community and Resources

Noun
1. the scene of any event or action (especially the place of a meeting)
(synonym) venue, locale
(hypernym) scene
2. the specific site of a particular gene on its chromosome
(hypernym) site, situation
3. 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"
(hypernym) set

(n.)
The line traced by a point which varies its position according to some determinate law; the surface described by a point or line that moves according to a given law.
  

(n.)
A place; a locality.