9 letters · 14 points in Scrabble
noun larger of the two types of spore produced in heterosporous plants; develops in ovule into a female gametophyte
originEtymology tree Proto-Indo-European *méǵh₂s Proto-Hellenic *mégas Ancient Greek μέγᾰς (mégăs)der. English mega- English spore English megaspore From mega- + spore.
Etymology from Wiktionary, CC BY-SA 3.0