Noun
1. a message whose ingenuity or verbal skill or incongruity has the power to evoke laughter
2. the trait of appreciating (and being able to express) the humorous;
"she didn't appreciate my humor""you can't survive in the army without a sense of humor"3. a characteristic (habitual or relatively temporary) state of feeling;
"whether he praised or cursed me depended on his temper at the time""he was in a bad humor"4. the quality of being funny;
"I fail to see the humor in it"5. (Middle Ages) one of the four fluids in the body whose balance was believed to determine your emotional and physical state;
"the humors are blood and phlegm and yellow and black bile"6. the liquid parts of the body