
rz duh fawrs, -fohrs; French toor duh fawrs] . | a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a stew of meat, vegetables, potatoes, etc. |
A feat accomplished through great skill and ability: “The speech was a tour de force; it swept the audience off its feet.”