What is the meaning of Basque?

The part of a waistcoat etc. extending below the waist.

A woman's close-fitting bodice, underbodice, or corset having such a feature.

skirt, skirts (of a jacket, morning coat etc.); basque (of waistcoat)

This term needs a translation to English(as in: * coller aux basques

Basque (language)

Basque

Basque (language)

Basque (person)

biscaïen or biscayne, a person or a thing related to the region of Biscay or the city Bayonne

Source: wiktionary.org