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n. pl. mor·u·lae (-lē′)
The spherical embryonic mass of blastomeres formed before the blastula and resulting from cleavage of the fertilized ovum.
[New Latin mōrula, feminine diminutive of Latin mōrum, mulberry.]
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.
(Physiology) the process in which a morula is formed by the cleavage of an ovum
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014