VITELLUS - Definition

Pronunciation:		vi'telus
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WordNet Dictionary

	Definition:	[n] nutritive material of an ovum stored for the nutrition of an embryo (especially the yellow mass of a bird or reptile egg)

	Synonyms:	yolk

	See Also:	egg, food, nutrient

Webster's 1913 Dictionary

	Definition:	\Vi*tel"lus\, n. [L., the yolk of an egg.] 1. (Biol.) The contents or substance of the ovum; egg yolk. See Illust. of {Ovum}. 2. (Bot.) Perisperm in an early condition.