sirloin

from WordNet (r) 3.0 (2006)

sirloin
    n 1: the portion of the loin (especially of beef) just in front
         of the rump

from The Collaborative International Dictionary of English v.0.48

Sirloin \Sir"loin`\, n. [A corruption of surloin. Not so called
   because this cut of beef was once jocosely knighted (dubbed
   Sir Loin) by an English king, as according to a popular
   story.]
   A loin of beef, or a part of a loin. [Written also
   {surloin}.]
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Surloin \Sur"loin`\ (s[^u]r"loin`), n. [F. surlonge; sur upon +
   longe loin. See {Sur-}, and {Loin}.]
   A loin of beef, or the upper part of the loin. See {Sirloin},
   the more usual, but not etymologically preferable,
   orthography. [Also spelled {sirloin}.]
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

29 Moby Thesaurus words for "sirloin":
      Chateaubriand, blade roast, breast, brisket, chuck, chuck roast,
      clod, cold cuts, filet mignon, flank, knuckle, loin, plate,
      plate piece, pot roast, rack, rib roast, ribs, roast, rolled roast,
      round, rump, rump roast, saddle, shank, short ribs, shoulder,
      shoulder clod, tenderloin

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