noun
: one of the cells of the archespore of a spore-bearing plant whose final divisions result in the production of a spore and usually of a tetrad of spores
noun
: one of the cells of the archespore of a spore-bearing plant whose final divisions result in the production of a spore and usually of a tetrad of spores
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012