black bile

noun
1.
one of the four elemental bodily humors of medieval physiology, regarded as causing gloominess.
Origin
1790-1800
British Dictionary definitions for black bile

black bile

noun
1.
(archaic) one of the four bodily humours; melancholy See humour (sense 8)
black bile in Medicine

black bile n.
One of the four humors of ancient and medieval physiology, supposed to cause melancholy when present in excess.