or chiefly Brit  hu*mour  n 1 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  2  in ancient and medieval physiology  :  a fluid or juice of an animal or plant : specif  :  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 BLOOD3 PHLEGM1 YELLOW BILE  .
 
 
 
Similar sounding terms:  ham·mer  humour 
 
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