ground beef, sometimes mixed with other foods, shaped like a hamburger patty and broiled or fried, often garnished or served with a sauce.
Origin of Salisbury steak
1895–1900, Americanism; named after J. H. Salisbury (1823–1905), U.S. dietitian, who promoted the eating of such steaks
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
1897, from J.H. Salisbury (1823-1905), U.S. physician and food specialist, who promoted it. Incorrect use for "hamburger" traces to World War I and the deliberate attempt to purify American English of German loan words.
Online Etymology Dictionary, © 2010 Douglas Harper