financière adjective1 •Involving a heavy sauce flavored with truffles, mushrooms and Madeira wine, and garnished with one or more of olives, kidneys, quenelles, sweetbreads, livers, and cockscombs.[…] add a good financière ragoût (No. 89) of cocks’ combs, fat livers, truffles, and some mushrooms; […] — 1834