nounpl. -·di· or -·duses
- a nest, esp. one in which insects or spiders deposit their eggs
- a breeding place; specif.,
- a place where spores or seeds germinate
- a focus of infection
Origin of nidusL, nest
nounpl. ni·dus·es, or ni·di
- A central point or focus of infection by bacteria or other pathogens.
- A point or place at which something originates, accumulates, or develops, such as the center around which a calculus forms.
Origin of nidusLatin nīdus ; see sed- in Indo-European roots.
(plural nidi or niduses)
From Latin nÄ«dus (“nest")