n.
Pronunciation: ' me-g ə - ˌ spo ̇ r
Function: noun
Etymology: International Scientific Vocabulary
Date: 1857
: a spore in heterosporous plants giving rise to female gametophytes and usually larger than a microspore
– mega · spor · ic \ ˌ me-g ə - ' spo ̇ r-ik \ adjective