Medical Dictionary

navel ill

noun

Medical Definition of NAVEL ILL

:  a serious septicemia of newborn animals caused by pus-producing bacteria entering the body through the umbilical cord or opening and typically marked by joint inflammation or arthritis accompanied by generalized pyemia, rapid debilitation, and commonly death—called also joint evil, joint ill, pyosepticemia

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears