English

Noun

step-in ‎(plural step-ins)

1. (also in plural) An item of clothing which one steps into to put on; specifically, women's panties.
   • 1931, William Faulkner, Sanctuary, Vintage 1993, p. 46:

     ‘Doc got that step-in in Memphis,’ the third said. ‘Off a damn whore.’

   • 1934, F. Scott Fitzgerald, Tender is the Night:

     One of the girls hoisted her skirt suddenly, pulled and ripped at her pink step-ins and tore them to a sizeable flag; then, screaming ‘Ben! Ben!’ she waved it wildly.