Rochelle \Ro*chelle"\, n.
A seaport town in France.
[1913 Webster]
{Rochelle powders}. Same as {Seidlitz powders}.
{Rochelle salt} (Chem.), the double tartrate of sodium and
potassium, a white crystalline substance. It has a
cooling, saline, slightly bitter taste and is employed as
a mild purgative. It was discovered by Seignette, an
apothecary of Rochelle, and is called also {Seignete's
salt}.
[1913 Webster]