vitellus

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Related to vitelluses: yolky

vi·tel·lus

 (vĭ-tĕl′əs, vī-)
n. pl. vi·tel·lus·es
The yolk of an egg.

[Latin, probably diminutive of vitulus, calf; see wet- in Indo-European roots.]

vitellus

(vɪˈtɛləs)
n, pl -luses or -li (-laɪ)
(Zoology) zoology rare the yolk of an egg
[C18: from Latin, literally: little calf, later: yolk of an egg, from vitulus calf]

vi•tel•lus

(vɪˈtɛl əs, vaɪ-)

n., pl. -lus•es.
an egg yolk.
[1720–30; < Latin]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.vitellus - nutritive material of an ovum stored for the nutrition of an embryo (especially the yellow mass of a bird or reptile egg)vitellus - nutritive material of an ovum stored for the nutrition of an embryo (especially the yellow mass of a bird or reptile egg)
food, nutrient - any substance that can be metabolized by an animal to give energy and build tissue
egg - animal reproductive body consisting of an ovum or embryo together with nutritive and protective envelopes; especially the thin-shelled reproductive body laid by e.g. female birds