nucellus
Concise Oxford English Dictionary © 2008 Oxford University Press:
nucellus /njuːˈsɛləs/
▶noun (pl. nucelli /-lʌɪ, -liː/) Botany the central part of an ovule, containing the embryo sac.
– derivatives
nucellar adjective.
nucellar adjective.
'nucellus' also found in these Oxford entries:

