négligée vs petticoat

négligée

noun
  • A woman's loose-fitting nightgown, especially when short, lacy and/or revealing; a nightie. 

  • A necklace of beads, pearls etc. 

adj
  • In the style of a negligee; revealing, titillating. 

petticoat

noun
  • A light woman's undergarment worn under a dress or skirt, and hanging either from the shoulders or (now especially) from the waist; a kind of slip, worn to make the skirt fuller, or for extra warmth. 

  • A woman's undercoat, worn to be displayed beneath an open gown. 

  • A woman. 

  • A fisherman's loose canvas or oilcloth skirt. 

  • A bell-mouthed piece over the exhaust nozzles in the smokebox of a locomotive, strengthening and equalising the draught through the boiler-tubes. 

  • A type of ornamental skirt or underskirt, often displayed below a dress; chiefly in plural, designating a woman's skirts collectively. 

  • A tight, usually padded undercoat worn by men over a shirt and under the doublet. 

verb
  • To dress in a petticoat. 

How often have the words négligée and petticoat occurred in a corpus of books? (source: Google Ngram Viewer )