Definitions
nutritive material of an ovum stored for the nutrition of an embryo (especially the yellow mass of a bird or reptile egg)
Word origin
From Middle English yolke, yelke, ȝolke, ȝelke, from Old English ġeolca, ġeoloca, ġioleca (“the yellow part, yolk”), derived from Old English ġeolu (“yellow”) + -ca (diminutive suffix).
Used in a sentence
“To make meringue, you have to separate the white from the yolk.”
“This is surprising in that these females were yolking up their clutch of eggs”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Egg center”4 letters
Not quite right?
"Search similar patterns."
Y___