dejection

1. The state of being dejected; low spirits.
2. Evacuation of the intestinal tract; defecation.

noun

A feeling or spell of dismally low spirits: blues, depression, despondence, despondency, doldrums, dolefulness, downheartedness, dumps, dysphoria, funk, gloom, glumness, heavy-heartedness, melancholy, mope (used in plural), mournfulness, sadness, unhappiness. See feelings, happy/unhappy.

1. Lowness of spirits; depression; melancholy.
2. The evacuation of the bowels; defecation.
3. Feces; excrement.

The noun has 2 meanings:

Meaning #1: a state of melancholy depression

Meaning #2: solid excretory product evacuated from the bowels
  Synonyms: fecal matter, faecal matter, feces, faeces, BM, stool, ordure