a highly vascular, glandular, ductless organ, situated in humans at the cardiac end of the stomach, serving chiefly in the formation of mature lymphocytes, in the destruction of worn-out red blood cells, and as a reservoir for blood.

Obsolete . this organ conceived of as the seat of spirit and courage or of such emotions as mirth, ill humor, melancholy, etc.

ill humor, peevish temper, or spite.

Archaic . melancholy.

Obsolete . caprice.

noun

irascibility , irascibleness , temperament , tetchiness , anger , caprice , choler , depression , dislike , grudge , hate , hatred , hostility , ire , lien , malice , melancholy , milt , rancor , resentment , spite , whim , wrath