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Medical Dictionary

humor

noun hu·mor

Medical Definition of humor

  1. 1a:  a normal functioning bodily semifluid or fluid (as the blood or lymph)b:  a secretion (as a hormone) that is an excitant of activity

  2. 2in 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

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


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