YOLKS
Noun
yolks
plural of yolk
Source: Wiktionary
YOLK
Yolk, n. Etym: [OE. yolke, yelke, Ć½olke, Ć½elke, AS. geoloca, geoleca,
fr. geolu yellow. See Yellow.] [Written also yelk.]
1. The yellow part of an egg; the vitellus.
2. (Zoƶl.)
Definition: An oily secretion which naturally covers the wool of sheep.
Yolk cord (Zoƶl.), a slender cord or duct which connects the yolk
glands with the egg chambers in certain insects, as in the aphids.
– Yolk gland (Zoƶl.), a special organ which secretes the yolk of
the eggs in many turbellarians, and in some other invertebrates. See
Illust. of Hermaphrodite in Appendix.
– Yolk sack (Anat.), the umbilical vesicle. See under Unbilical.
Source: Webster’s Unabridged Dictionary 1913 Edition