Definition of "pantalettes"

pantalettes

noun
plural only
1. (historical) A form of long underpants with a frill at the bottom of each leg.
  Quotations
  A mad world this, my friends, a world in its lunes, petty and other; in lunes other than petty now for some time; in petty-lunes, pettilettes, or pantalettes, about these six weeks, ever since when this rampant androgynous Bloomerism first came over from Yankee land.
  1851, Thomas Snarlyle, “Bloomerism: A Latter-Day Fragment”, in Punch, page 217
  In the second row of the cavalcade were Francie, Fanny's god-daughter, now thirteen years old and already elegant in long frilled pantalettes, tartan skirts, and a leghorn hat with streamers, […]
  1929, M. Barnard Eldershaw, A House Is Built, Chapter IX, Section iii
2. (historical) A removable kind of ruffle worn at the feet of women's drawers.