- a nest, especially one in which insects, spiders, etc., deposit their eggs.
- a place or point in an organism where a germ or other organism can develop or breed.
Origin of nidus
1735–45; < Latin nīdus nest
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for nidus
This thin but rough covering entangles stray particles, and thus by its own decay affords a nidus for a stronger growth.The Dwelling House
George Vivian Poore
These flies are continually prowling about and prying into every corner, to find, by stealth, a nidus for their eggs.Insect Architecture
It has indeed been much more than Shelley seems to have realized, the nidus of a love pure and wholesome, if not very passionate.Shelley and the Marriage Question
What would there be in his system which could furnish a nidus for its reception?Vegetable Diet: As Sanctioned by Medical Men, and by Experience in All Ages
William Andrus Alcott
Beyond the Kirghisians lodged a nidus of Bucharians, wild as the asses of Numidia.
- the nest in which insects or spiders deposit their eggs
- pathol a focus of infection
- a cavity in which plant spores develop
C18: from Latin nest
Word Origin and History for nidus
"nest, breeding place," 1742, from Latin nidus "a nest," from Old Latin *nizdus (see nest (n.)). Figurative use by 1807. Classical plural is nidi.
Online Etymology Dictionary, © 2010 Douglas Harper
- A central point or focus of bacterial growth in a living organism.
- A nest, especially one for the eggs of insects, spiders, pathogenic organisms, or small animals.
- A cavity where spores develop.
- A point or place at which something originates, accumulates, or develops, as the center around which calculi form.