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Webster 1913 Edition

Fattener

Fat′ten-er

,

Noun.

One who, or that which, fattens; that which gives fatness or fertility.

Webster 1828 Edition

Fattener

FAT'TENER

,

Noun.

[See Fatner.]

Definition 2024

fattener

fattener

English

Noun

fattener ‎(plural fatteners)

One who fattens.
- 1840, John Armstrong, Jesse Buel, A Treatise on Agriculture, page 129:
  It rarely happens that the breeders of cattle are the fatteners of them.