[ nahy-duh s ]
/ ˈnaɪ dəs /

noun, plural ni·di [nahy-dahy] /ˈnaɪ daɪ/.

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

Related forms

ni·dal, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for nidal

British Dictionary definitions for nidal


/ (ˈnaɪdəs) /

noun plural -di (-daɪ)

the nest in which insects or spiders deposit their eggs
pathol a focus of infection
a cavity in which plant spores develop

Derived Forms

nidal, adjective

Word Origin for nidus

C18: from Latin nest
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

Medicine definitions for nidal (1 of 2)


[ nīdl ]


Of, relating to, or characteristic of a nidus.

Medicine definitions for nidal (2 of 2)


[ nīdəs ]

n. pl. ni•dus•es

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