yolk
yolk
noun \ˈyōk, ˈyelk (in cultivated speech, especially Southern), also ˈyōlk, ˈyȯlk, ˈyälk, ˈyəlk\Definition of YOLK
1
a : the yellow spheroidal mass of stored food that forms the inner portion of the egg of a bird or reptile and is surrounded by the white — see egg illustration b archaic : the whole contents of an animal ovum consisting of a protoplasmic formative portion and an inert nutritive portion c : material stored in an animal ovum that supplies food to the developing embryo and consists chiefly of proteins, lecithin, and cholesterol
2
[akin to Middle Dutch ieke yolk (of wool), Old English ēowu ewe] : oily material in unprocessed sheep wool consisting of wool fat, suint, and debris
— yolked adjective
— yolky adjective
Variants of YOLK
yolk also yoke \ˈyōk\
Origin of YOLK
Middle English yolke, from Old English geoloca, from geolu yellow — more at yellow
First Known Use: before 12th century
yolk
noun \ˈyōk\ (Medical Dictionary)Medical Definition of YOLK
: material stored in an ovum that supplies food to the developing embryo and consists chiefly of proteins, lecithin, and cholesterol
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