Lo·cus n.; pl. Loci & Loca
1. A place; a locality.
2. Math. 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.
Plane locus, a locus that is a straight line, or a circle.
Solid locus, a locus that is one of the conic sections.
n 1: the scene of any event or action (especially the place of a
meeting) [syn: venue, locale]
2: the specific site of a particular gene on its chromosome
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"
[also: loci (pl)]