1. 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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