plural loci
ˈlō-ˌsī 
-ˌkī,
-ˌkē
1
b
: a center of activity, attention, or concentration
in democracy the locus of power is in the people—
H. G. Rickover
H. G. Rickover2
: the set of all points whose location is determined by stated conditions
3
: the position in a chromosome of a particular gene or allele
Examples of locus in a Sentence
The area became a locus of resistance to the government.
an area of the Southwest that has been the locus of a number of New Agey movements
Recent Examples on the Web
In fact, shadow is the locus where light, space, and the passage of time converge.
—Alessia Glaviano, Vogue, 14 May 2025
The Texas Hill Country AVA also serves as the locus of wine tourism in the state—as well as home base for much of the state’s wine production, despite its distance from the major growing region in the state, the Texas High Plains.
—Colleen C. Myles, Forbes.com, 30 Apr. 2025
Abby, Dina, and Jesse, all new additions this season, can be more fully formed than the secondary characters of season one, while Ellie in particular becomes the locus for the show’s biggest moral questions.
—Kathryn Vanarendonk, Vulture, 7 Apr. 2025
Jolie’s dream was for the space to once again be a cultural locus, a clubhouse full of inspired and international creatives, and also a magnet for a curious public — to come and browse, take a class, refuel with a slice of orange almond cake at the global-cuisine cafe, Eat Offbeat.
—Melena Ryzik, New York Times, 24 Mar. 2025
See All Example Sentences for locus
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Alessia Glaviano, Vogue, 14 May 2025
The Texas Hill Country AVA also serves as the locus of wine tourism in the state—as well as home base for much of the state’s wine production, despite its distance from the major growing region in the state, the Texas High Plains.
—Colleen C. Myles, Forbes.com, 30 Apr. 2025
Abby, Dina, and Jesse, all new additions this season, can be more fully formed than the secondary characters of season one, while Ellie in particular becomes the locus for the show’s biggest moral questions.
—Kathryn Vanarendonk, Vulture, 7 Apr. 2025
Jolie’s dream was for the space to once again be a cultural locus, a clubhouse full of inspired and international creatives, and also a magnet for a curious public — to come and browse, take a class, refuel with a slice of orange almond cake at the global-cuisine cafe, Eat Offbeat.
—Melena Ryzik, New York Times, 24 Mar. 2025
See All Example Sentences for locus
Cite this Entry
“Locus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/locus. Accessed 24 May. 2025.
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Medical Definition
locus
noun
lo·cus
ˈlō-kəs
plural loci
ˈlō-ˌsī, -ˌkī also -ˌkē
1
: 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
Sylvia E. Hines2
: the position in a chromosome of a particular gene or allele
Legal Definition
locus
noun
lo·cus
ˈlō-kəs
: the place connected with a particular event having legal significance
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