tournedos

UK: /ˈtʊənəˌdəʊ/

US: (tŏŏr′ni dō′, tŏŏr′ni dō′; Fr. to̅o̅r nə dō′)

WordReference Random House Unabridged Dictionary of American English © 2025

tour•ne•dos  (tŏŏr′ni dō′, tŏŏr′ni dō′; Fr. to̅o̅r nə dō′), n., pl. -dos 

(-dōz′, -dōz′; Fr. -dō′). 
1. small slices of fillet of beef, round and thick, served with a variety of sauces and garnished.

• Latin dorsum back)
• French, equivalent. to tourne(r) to turn + dos (
• 1920–25

Collins Concise English Dictionary © HarperCollins Publishers::

tournedos / ˈtʊənəˌdəʊ/ noun ( -dos / -ˌdəʊz/)

1. a thick round steak of beef cut from the fillet or undercut of sirloin

Etymology: from French, from tourner to turn + dos back