n(y)üˈseləs noun
( plural nucel·li -eˌlī)
Etymology: New Latin, from Latin nucella small nut, from nuc-, nux nut + -ella -el
: a mass of thin-walled parenchymatous cells that composes the central and chief part of the body of an ovule and that contains the embryo sac and is surrounded by one or more integuments