Noun
French dip (plural French dips)
(cooking) An American hot sandwich made with sliced meat (usually roast beef) on a French roll, and served au jus. In its original form the bread is dipped in the jus when the sandwich is made, but more often the jus is served on the side so the sandwich can be dipped as it is being eaten.
French dip (plural French dips)
(fashion, historical) A fashion trend originating in France in the late 19th century, where women let the front of their belts dip below the waist.