What does "trews" mean?

Trousers, especially if close-fitting and tartan.

What is a synonym for "trews"?

Common synonyms include: dungarees, pantaloon, pants.

/tɹuːz/ name, noun

name, noun ·Rare ·Advanced level

Noun

1
Trousers, especially if close-fitting and tartan. British, plural, plural-only
2
(used in the plural) tight-fitting trousers; usually of tartan wordnet

Proper Noun

From Scottish Gaelic triubhas, from Middle Irish triubus.