Spleen

A peculiar glandlike but ductless organ found near the stomach or intestine of most vertebrates and connected with the vascular system; the milt. Its exact function in not known.

Anger; latent spite; ill humor; malice; as, to vent one's spleen.

A fit of anger; choler.

A sudden motion or action; a fit; a freak; a whim.

Melancholy; hypochondriacal affections.

A fit of immoderate laughter or merriment.

To dislke.

a large dark-red oval organ on the left side of the body between the stomach and the diaphragm; produces cells involved in immune responses

a feeling of resentful anger