Ferment n. : That which causes fermentation, as yeast, barm, or fermenting beer.

Ferment n. : Intestine motion; heat; tumult; agitation.

Ferment n. : A gentle internal motion of the constituent parts of a fluid; fermentation.

Ferment n. : To cause ferment of fermentation in; to set in motion; to excite internal emotion in; to heat.

Ferment v. i. : 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.

Ferment v. i. : To be agitated or excited by violent emotions.

Example:
How do I Ferment something to create alcohol?

Taxonomy
Merriam-Webster Online Dictionary, Dictionary, webster, fermentation, agitation, Word Games, Webster Online Dictionary with audio pronunciations, thesaurus, Google Search, Custom Search, glossary, english, language, ESL, Search, 14th century, intransitive verb, adjective.

Defination from the web:
ferment from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... 1 : to undergo fermentation. 2 : to be in a state of agitation or intense activitytransitive verb 1 : to cause to undergo fermentation ...