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n. pl. go·nid·i·a (-ē-ə)
An asexually produced cell that can generate a new colony, found in certain algae such as volvox.

[New Latin, from Greek gonos, seed, offspring; see gono-.]

go·nid′i·al adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, pl -ia (-ɪə)
1. (Botany) a green algal cell in the thallus of a lichen
2. (Botany) an asexual reproductive cell in some colonial algae
[C19: from New Latin, diminutive from gono-]
goˈnidial, goˈnidic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(gəˈnɪd i əm)

n., pl. -nid•i•a (-ˈnɪd i ə)
1. (in algae) an asexual reproductive cell body, as a tetraspore or zoospore.
2. any of the algae that exist as a component of lichen.
[1835–45; < Greek gon- (see gonad) + -idium]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.