vitellus vitellose • viterbite · · · Info · Definitions · Synonyms · Characters · · vitellus · · Text Latin · · Script 8 · · Length Definitions · · · (noun) nutritive material of an ovum stored for the nutrition of an embryo (especially the yellow mass of a bird or reptile egg). Synonyms: yolk. · · Noun Definition 1 Synonyms · · · yolk · · Synonym 1 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075 v latin small letter v U+0076