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 (spər-mā′shē-əm, -shəm)
n. pl. sper·ma·ti·a (-shē-ə, -shə)
A nonmotile male gamete, as in red algae and certain fungi.

[New Latin, from Greek spermation, diminutive of sperma, spermat-, semen; see sperm1.]

sper·ma′tial (-shəl) 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 -tia (-tɪə)
(Botany) a nonmotile male reproductive cell in red algae and some fungi
[C19: New Latin, from Greek spermation a little seed; see sperm1]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(spɜrˈmeɪ ʃi əm)

n., pl. -ti•a (-ʃi ə)
1. the nonmotile male gamete of a red alga.
2. a minute, colorless cell of certain fungi and lichens, developed within spermagonia.
[1855–60; < New Latin < Greek spermátion=spermat-, s. of spérma sperm1 + -ion -ium2]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.