• (a.) Having one of the two florets in the same spikelet neuter, and the other unisexual, whether male or female; -- said of grasses.
He·mig'a·mous adjective [ Hemi- + Greek ... marriage.] (Botany) Having one of the two florets in the same spikelet neuter, and the other unisexual, whether male or female; -- said of grasses.