basques

/B AE1 S K S/
noun
  1. 1

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

  2. 2

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

Source: https://en.wiktionary.org/wiki/basque, https://en.wiktionary.org/wiki/basques