D defs.my
Entry 1 sense Webster, 1913

Stiffener

/stĭf'-ən-ẽr/ · Stiff·en·er · IPA /stˈɪfənər/
01 n. One who, or that which, stiffens anything, as a piece of stiff cloth in a cravat.
  1. 1.
    One who, or that which, stiffens anything, as a piece of stiff cloth in a cravat.