1) Cut of beef 
rump bone of cattle; rump cut of beef
• (n.) The bone of the rump; also, the cut of beef surrounding this bone.
Aitch'bone` noun [ For nachebone . For loss of n , confer Adder . See Natch .] The bone of the rump; also, the cut of beef surrounding this bone. [ Spelt also edgebone .]
[n] - a cut of beef including the H-shaped rump bone
noun a cut of beef including the H-shaped rump bone
the rump bone, as of beef. · the cut of beef that includes this bone.