DICT.TW Dictionary Taiwan

 yolk /ˈjok, ˈjɛlk ||, ||ˈjolk, ˈjɔlk, ˈjɑlk, ˈjʌlk/
 蛋黃

 yolk /ˈjok/ 名詞
 卵黃,蛋黃,羊毛油脂

 Yolk n.  [Written also yelk.]
 1. The yellow part of an egg; the vitellus.
 2. Zool. An oily secretion which naturally covers the wool of sheep.
 Yolk cord Zool., a slender cord or duct which connects the yolk glands with the egg chambers in certain insects, as in the aphids.
 Yolk gland Zool., 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.
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 yolk
      n : nutritive material of an ovum stored for the nutrition of an
          embryo (especially the yellow mass of a bird or reptile
          egg) [syn: vitellus]