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.

The position on a chromosome occupied by a particular gene (plural: loci).

Latin a place (cf. location, locate, dislocate).

position of a gene in the genome. The locus of a gene is designated by the chromosome number, its arm, and its place. For example, the Duchenne muscular dystrophy gene is at locus Xp21, meaning it is at locus 21 of the short arm (p) of the X chromosome.

A path of points.

the path generated by the movement of a point subjected to certain conditions

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"

a line, any point of which may equally solve an indeterminate problem

A place; a locality.

Latin for place. See marker.

the scene of any event or action (especially the place of a meeting)

a place easily grasped by the memory, such as a house, an intercolumnar space, a corner, an arch or the like