syn·er·gid
(sĭ-nûr′jĭd, sĭn′ər-)n. One of two small cells lying near the egg in the mature embryo sac of a flowering plant.
[New Latin synergida, from Greek sunergos, working together; see synergism.]
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.
synergid
(ˈsɪnədʒɪd) n (Botany) botany one of two nucleated cells (in an embryo sac) cooperating in the development of the embryo
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014