Definition of prelacteal in English:

prelacteal

adjective

  • 1Zoology. Of or designating certain vestigial, embryonic toothlike structures occurring in the jaws of marsupials and some other mammals, regarded as the remnants of two successive primitive dentitions that formed prior to the development of the milk teeth.

  • 2Designating a foodstuff or feed that is given to a newborn infant before the mother has begun to breastfeed.

noun

  • A prelacteal foodstuff or feed.

Origin

Late 19th century; earliest use found in Science. From pre- + lacteal.

Pronunciation

prelacteal

/prɪˈlaktɪəl/