nidus

ni·dus  (nds)

n. pl. ni·dus·es or ni·di (-d)

1. A nest, especially one for the eggs of insects, spiders, or small animals.

2. A cavity where spores develop.

3. Pathology A central point or focus of bacterial growth in a living organism.

4. A point or place at which something originates, accumulates, or develops, as the center around which salts of calcium, uric acid, or bile acid form calculi.

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[Latin ndus; see sed- in Indo-European roots.]

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nidus [ˈnaɪdəs]

n pl -di [-daɪ]

1. (Life Sciences & Allied Applications / Zoology) the nest in which insects or spiders deposit their eggs

2. (Medicine / Pathology) Pathol a focus of infection

3. (Life Sciences & Allied Applications / Botany) a cavity in which plant spores develop

[from Latin: nest]

nidal  adj

Thesaurus

Noun	1.	nidus - a central point or locus of an infection in an organism; "the focus of infection" focal point, focus point - the precise location of something; a spatially limited location; "she walked to a point where she could survey the whole street" focal infection - bacterial infection limited to a specific organ or region especially one causing symptoms elsewhere
	2.	nidus - a nest in which spiders or insects deposit their eggs nest - a structure in which animals lay eggs or give birth to their young wasp's nest, wasps' nest, hornet's nest, hornets' nest - habitation for wasps or hornets