Medical Dictionary


noun hu·mor

Medical Definition of HUMOR

a :  a normal functioning bodily semifluid or fluid (as the blood or lymph) b :  a secretion (as a hormone) that is an excitant of activity
in ancient and medieval physiology :  a fluid or juice of an animal or plant; specifically :  one of the four fluids that were believed to enter into the constitution of the body and to determine by their relative proportions a person's health and temperament—see black bile, blood 3, phlegm 1, yellow bile

Variants of HUMOR

hu·mor or chiefly British hu·mour \ˈhyü-mər, ˈyü-\
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