n (uncountable) The quality of being amusing, comical, funny. (defdate|from the early 18th c.)
n (archaic) One of four fluids (blood, yellow bile, black bile and phlegm) that were believed to control the health and mood of the human body. (defdate|from the 15th c.)
n (uncountable) A mood, especially a bad mood; a temporary state of mind brought upon by an event; an abrupt illogical inclination or whim.