Mĕl'an-chōl'y1, n.
n. [Fr. mélancolie, Pr., Sp., & Pg. melancolia, It. melancolia, melanconia, malinconia, Gr. μέλας χολή, fr. μέλας, μέλαν, black, and χολή, χόλος, gall, bile.]
Sense 1. A gloomy state of mind, often a gloomy state that is of some continuance, or habitual; depression of spirits induced by grief; dejection of spirits.
Sense 2. Hence, gloom of mind; great and continued depression of spirits; dejection.
Moon-struck madness, moping melancholy. Milton.