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Webster 1913 Edition

Noun.

A mounted peddler of fish; – called also

jouster

[Obs.]

Carew.

Noun.

A fish driver.

jowter ‎(plural jowters)

(obsolete) A mounted peddler of fish.
(Can we find and add a quotation of Carew to this entry?)
(archaic) A buyer and seller of fish.
- 1979, Cormac McCarthy, Suttree, Random House, p.68:
  He lifted out the catfish and selected a small carp. They watched the needle swing. The old jowter twisted up the apron in his hands. Two and a half, he said.