n. an oblong bar of frozen fish, often breaded, pre-cooked, and marketed in packages.
- 1955  The newly developed frozen fish fillets [are] known as fish sticks.
- 1957  In 1953 they were among the first to produce and market the highly popular fish sticks.
- 1962  Technological advances have continually given rise to new products . . . Examples include fish-sticks, which are at present very popular. . . .