# sewin

> English word · Noun

## Definitions
1. Sea trout, a subspecies of brown trout (Salmo trutta morpha trutta).

## Etymology
Borrowed from Welsh sewin, siwin.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/sewin