Meaning of YOLK in English

YOLK

[ jəʊk ]

■ noun the yellow internal part of a bird's egg, which is rich in protein and fat and nourishes the developing embryo.

↘ Zoology the corresponding part in the ovum or larva of all egg-laying vertebrates and many invertebrates.

Derivatives

~ed adjective

~less adjective

~y adjective

Origin

OE geol(o)ca , from geolu 'yellow'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.