follow Dictionary.com

Stories We Like: Novels For Language Lovers

loci

[loh-sahy, -kee, -kahy] /ˈloʊ saɪ, -ki, -kaɪ/
noun
1.
plural of locus.

locus

[loh-kuh s] /ˈloʊ kəs/
noun, plural loci
[loh-sahy, -kee, -kahy] /ˈloʊ saɪ, -ki, -kaɪ/ (Show IPA),
loca
[loh-kuh] /ˈloʊ kə/ (Show IPA)
1.
a place; locality.
2.
a center or source, as of activities or power:
locus of control.
3.
Mathematics. the set of all points, lines, or surfaces that satisfy a given requirement.
4.
Genetics. the chromosomal position of a gene as determined by its linear order relative to the other genes on that chromosome.
Origin
1525-1535
1525-35; < Latin; OL stlocus a place

genius loci

[gen-i-oo s loh-kee; English jee-nee-uh s loh-sahy, -kahy] /ˈgɛn ɪˌʊs ˈloʊ ki; English ˈdʒi ni əs ˈloʊ saɪ, -kaɪ/
Latin.
1.
guardian of a place.
2.
the distinctive character or atmosphere of a place with reference to the impression that it makes on the mind.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for loci

loci

/ˈləʊsaɪ/
noun
1.
the plural of locus

genius loci

/ˈdʒiːnɪəs ˈləʊsaɪ/
noun
1.
the guardian spirit of a place
2.
the special atmosphere of a particular place
Word Origin
genius of the place

locus

/ˈləʊkəs/
noun (pl) loci (ˈləʊsaɪ)
1.
(in many legal phrases) a place or area, esp the place where something occurred
2.
(maths) a set of points whose location satisfies or is determined by one or more specified conditions: the locus of points equidistant from a given point is a circle
3.
(genetics) the position of a particular gene on a chromosome
Word Origin
C18: Latin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for loci

locus

n.

(plural loci), 1715, "locality," from Latin locus "a place, spot, position," from Old Latin stlocus, literally "where something is placed," from PIE root *st(h)el- "to cause to stand, to place." Used by Latin writers for Greek topos. Mathematical sense by 1750.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
loci in Medicine

locus lo·cus (lō'kəs)
n. pl. lo·ci (-sī', -kē, -kī')

  1. A place; site.

  2. The position that a given gene occupies on a chromosome.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
loci in Science
locus
  (lō'kəs)   
Plural loci (lō'sī', -kē, -kī')
  1. The set or configuration of all points whose coordinates satisfy a single equation or one or more algebraic conditions.

  2. The position that a given gene occupies on a chromosome.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
loci in Culture

locus definition


plur. loci (loh-seye, loh-keye)

In geometry, the set of all points (and only those points) that satisfy certain conditions; these points form a curve or figure. For example, the locus of all points in space one foot from a given point is a sphere having a radius of one foot and having its center at the given point. The locus of all points in a plane one foot from a given point is a circle having a radius of one foot and having its center at the given point.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for loci

Many English speakers likely know this word

Word Value for loci

6
8
Scrabble Words With Friends

Nearby words for loci