The tri-tip is a triangular cut of beef from the bottom sirloin subprimal cut, consisting of the tensor fasciae latae muscle. Untrimmed, the tri-tip weighs around 5 pounds.[1] In the US, the tri-tip is taken from NAMP cut 185C.

Quick facts: Alternative names, Type...
Bottom sirloin triangular cut (tri-tip)
Alternative namesBottom sirloin triangular cut (tri-tip)
TypeBeef steak
Tri-tip dinner with gravy, served with brown butter, parsley potatoes