a cell or group of cells from which the spore mother cells develop
: also ˌarcheˈsporium (ˌɑrkəˈspɔriəm
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.