fattens

/F AE1 T AH0 N Z/
verb
  1. 1

    To cause (a person or animal) to be fat or fatter.

    โ€œWe must fatten the turkey in time for Thanksgiving.โ€

  2. 2

    (of a person or animal) To become fat or fatter.

    โ€œHe gradually fattened in the five years after getting married.โ€

  3. 3

    To make thick or thicker (something containing paper, often money).

  4. 4

    To become thick or thicker.

  5. 5

    To make (soil) fertile and fruitful.

    โ€œto fatten landโ€

    syn:enrich
  6. 6

    To become fertile and fruitful.

Source: https://en.wiktionary.org/wiki/fatten, https://en.wiktionary.org/wiki/fattens