— megasporic /meg'euh spawr"ik, -spor"-/ , adj.
/meg"euh spawr', -spohr'/ , n. Bot.
1. the larger of the two kinds of spores characteristically produced by seed plants and a few fern allies, developing into a female gametophyte. Cf. microspore .
2. the embryo sac of a flowering plant.
Also called macrospore .
[ 1885-90; MEGA- + SPORE ]