loci

American

[loh-sahy, -kee, -kahy] / ˈloʊ saɪ, -ki, -kaɪ /

noun

a plural of locus.

loci British

/ ˈləʊsaɪ /

noun

the plural of locus

"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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Would Washingtonians rather live next to a structure that looks like a gigantic Martian spaceship or a work of beauty that reflects the genius loci, the spirit of the place?

From The Wall Street Journal • Jan. 20, 2026

Previous studies had identified 22 genetic risk loci -- that is, regions of our genome that contain changes associated with increased risk of developing the condition.

From Science Daily • Jun. 5, 2024

They identified a total of three risk loci in the genome.

From Science Daily • Jan. 31, 2024

Expression quantitative trait loci, or eQTLs, are genetic variants associated with gene expression.

From Science Daily • Jan. 26, 2024

The number of modern actors who use a formal method of loci to remember their lines, I daresay, isn’t that high, for instance—and not everyone in the ancient world went along with it.

From "Words Like Loaded Pistols" by Sam Leith

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023