Wiktionary
n. A particular cut of beef, containing part of the shoulder bones.
Wikipedia
Chuck steak is a cut of beef and is part of the sub primal cut known as the chuck.
The typical chuck steak is a rectangular cut, about 1" thick and containing parts of the shoulder bones, and is often known as a " 7-bone steak," as the shape of the shoulder bone in cross section resembles the numeral '7'. This cut is usually grilled or broiled; a thicker version is sold as a " 7-bone roast" or "chuck roast" and is usually cooked with liquid as a pot roast.
The bone-in chuck steak or roast is one of the more economical cuts of beef. In the United Kingdom, this part is commonly referred to as " braising steak". It is particularly popular for use as ground beef, due to its richness of flavor and balance of meat and fat.
Usage examples of "chuck steak".
Soon he sat down to a new-rinsed dish of yesterday's stew reheated (chuck steak, onions, carrots, spuds, well-spiced with Lea and Perrin's and a generous drop or so of chili sauce) while there sang on the stove in deep though tepid fat a whole bag of ready-cut crinkled potato pieces and, in another pan, slices of spongy canned meat called Mensch or Munch or something.
Prodding, pushing, cajoling, threatening Milo subtly and not-so-subtly, until he felt as alive as chuck steak.
He picked out potatoes, onions, celery, carrots, summer squash, and two pounds of chuck steak.
Surely, with a memory about as reliable as that of a chuck steak, Hokenberry had scribbled Corky’.