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 (no͞o-sĕl′əs, nyo͞o-)
n. pl. nu·cel·li (-sĕl′ī) Botany
The central portion of an ovule in which the embryo sac develops.

[New Latin, from nux, nuc-, nut.]

nu·cel′lar adj.


n, pl -li (-laɪ)
(Botany) the central part of a plant ovule containing the embryo sac
[C19: New Latin, from Latin nucella, from nux nut]
nuˈcellar adj


(nuˈsɛl əs, nyu-)

n., pl. -cel•li (-ˈsɛl aɪ)
the central cellular mass of the body of the ovule, containing the embryo sac.
[1880–85; < New Latin < Latin nuc- (s. of nux) nut]
nu•cel′lar, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.nucellus - central part of a plant ovulenucellus - central part of a plant ovule; contains the embryo sac
ovule - a small body that contains the female germ cell of a plant; develops into a seed after fertilization
plant part, plant structure - any part of a plant or fungus
References in periodicals archive ?
He based this idea on the fact that his application of metabolic poisons to kill nucelli of Tax us and Ephedra did not halt pollination drop secretion.
Ubiquitin has not been previously found in pollination drops of Pinaceae in which pollen chambers are not formed and the nucelli do not undergo a degradation at the time of drop release, e.
As for the US Embassy's Press Attache, Nicole Nucelli, she said, "Our