The Collaborative International Dictionary
Monospermal
Monospermal \Mon`o*sper"mal\, Monospermous \Mon`o*sper"mous\, a. [Mono- + Gr. spe`rma seed: cf. F. monosperme.] (Bot.) Having only one seed.
Wiktionary
monospermal
a. (context botany English) Having only one seed.