noun, plural nidi [nahy-dahy] .
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.

1735–45; < Latin nīdus nest

nidal, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
nidus (ˈnaɪdəs)
n , pl -di
1.  the nest in which insects or spiders deposit their eggs
2.  pathol a focus of infection
3.  a cavity in which plant spores develop
[C18: from Latin nest]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

nidal ni·dal (nīd'l)
Of, relating to, or characteristic of a nidus.

nidus ni·dus (nī'dəs)
n. pl. ni·dus·es or ni·di (-dī)

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

  2. A nest, especially one for the eggs of insects, spiders, pathogenic organisms, or small animals.

  3. A cavity where spores develop.

  4. A point or place at which something originates, accumulates, or develops, as the center around which calculi form.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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