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loci

[loh-sahy, -kee, -kahy]
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noun

plural of locus.

RELATED WORDS

bearing, habit, strait, site, attitude, manner, pass, plight, port, mien, deportment, arrangement, state, location, emplacement, form, pose, spot, disposition, condition

locus

[loh-kuh s]

noun, plural lo·ci [loh-sahy, -kee, -kahy] /ˈloʊ saɪ, -ki, -kaɪ/, lo·ca [loh-kuh] /ˈloʊ kə/.

a place; locality.
a center or source, as of activities or power: locus of control.
Mathematics. the set of all points, lines, or surfaces that satisfy a given requirement.
Genetics. the chromosomal position of a gene as determined by its linear order relative to the other genes on that chromosome.

Origin of locus

1525–35; < Latin; OL stlocus a place

genius loci

[gen-i-oo s loh-kee; English jee-nee-uh s loh-sahy, -kahy]

noun Latin.

the guardian spirit of a place.
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 Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of loci

British Dictionary definitions for loci

loci

noun

the plural of locus

genius loci

noun

the guardian spirit of a place
the special atmosphere of a particular place

Word Origin for genius loci

genius of the place

locus

noun plural loci (ˈləʊsaɪ)

(in many legal phrases) a place or area, esp the place where something occurred
maths a set of points whose location satisfies or is determined by one or more specified conditionsthe locus of points equidistant from a given point is a circle
genetics the position of a particular gene on a chromosome

Word Origin for locus

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
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
Medicine definitions for loci

locus

[lō′kəs]

n. pl. lo•ci (-sī′, -kē, -kī′)

A place; site.
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.
Science definitions for loci

locus

[lō′kəs]

Plural loci (lō′sī′, -kē, -kī′)

The set or configuration of all points whose coordinates satisfy a single equation or one or more algebraic conditions.
The position that a given gene occupies on a chromosome.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Culture definitions for loci

locus

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 New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.