noun intestine motion; heat; tumult; agitation.
2. ferment ·vi to be agitated or excited by violent emotions.
3. ferment ·noun that which causes fermentation, as yeast, barm, or fermenting beer.
4. ferment ·noun a gentle internal motion of the constituent parts of a fluid; fermentation.
5. ferment ·noun to cause ferment of fermentation in; to set in motion; to excite internal emotion in; to heat.
6. ferment ·vi to undergo fermentation; to be in motion, or to be excited into sensible internal motion, as the constituent oarticles of an animal or vegetable fluid; to work; to effervesce.