Fatten v. t. : To make fat; to feed for slaughter; to make fleshy or plump with fat; to fill full; to fat.

Fatten v. t. : To make fertile and fruitful; to enrich; as, to fatten land; to fatten fields with blood.

Fatten v. i. : To grow fat or corpulent; to grow plump, thick, or fleshy; to be pampered.

Example:
How long does it take to Fatten a turkey?

Taxonomy
Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, thesaurus, Google Search, Custom Search, glossary, english, language, ESL, Search, Inflected, transitive verb, plump, stock, slaughter.

Defination from the web:
fatten from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Learn more about "fatten" and related topics at Britannica.com. Pronunciation Symbols. Share this entry: Link to this page: Cite this page: Products ...