Stay busk

a stiff piece of wood, steel, or whalebone, for the front support of a woman's stays. Cf. Busk.

See also: Stay

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Added to a list that includes lace bobbins; stay busks (the stiffeners from ladies' corsets); needle cases; marriage bowls and perhaps the best known and most artistic: love spoons, there's plenty of choice.