dictionary help1. The yellow part of an egg; the vitellus.
2. <zoology> An oily secretion which naturally covers the wool of sheep.
<anatomy> Yolk cord, the umbilical vesicle. See Unbilical.
Origin: OE. Yolke, yelke, yolke, yelke, AS. Geoloca, geoleca, fr. Geolu yellow. See Yellow
Alternative forms: yelk.
(01 Mar 1998)
yohimbine, yoit, yoke, yoke bone, yoke-toed < Prev | Next > yolk cell, yolk cells, yolk cleavage
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