noun \ˈlō-kəs\

: a central or main place where something happens or is found

plural lo·ci \ˈlō-ˌsī, -ˌkī, -ˌkē\

Full Definition of LOCUS

a :  the place where something is situated or occurs :  site, location <was the culture of medicine in the beginning dispersed from a single focus or did it arise in several loci? — S. C. Harvey>
b :  a center of activity, attention, or concentration <in democracy the locus of power is in the people — H. G. Rickover>
:  the set of all points whose location is determined by stated conditions
:  the position in a chromosome of a particular gene or allele

Examples of LOCUS

  1. The area became a locus of resistance to the government.
  2. <an area of the Southwest that has been the locus of a number of New Agey movements>

Origin of LOCUS

Latin — more at stall
First Known Use: 1715

Other Mathematics and Statistics Terms

abscissa, denominator, divisor, equilateral, exponent, hypotenuse, logarithm, oblique, radii, rhomb

Rhymes with LOCUS


noun \ˈlō-kəs\   (Medical Dictionary)
plural lo·ci \ˈlō-ˌsī, -ˌalso -ˌkē\

Medical Definition of LOCUS

: a place or site of an event, activity, or thing <the integrity of the tissues determines the extent and locus of the damage—Sylvia E. Hines>
: the position in a chromosome of a particular gene or allele


Next Word in the Dictionary: locus classicus
Previous Word in the Dictionary: locum tenens
All Words Near: locus

Seen & Heard

What made you want to look up locus? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More