the GNU version of the Collaborative International Dictionary of English
n. Same as yolk.
The Century Dictionary and Cyclopedia
n. A manufacturers' term in Lancashire, England, for one of the hard, stony lumps found in slaked lime from a Buxton limestone.
n. A variant of yolk.
Word Usage
"It contains a mass of viscid nutritive matter -- the 'yelk' -- within which is inclosed a second much more delicate spheroidal bag, called the 'germinal vesicle' (a)."