From Longman Dictionary of Contemporary Englishfish mealˈfish meal noun [uncountable] TADLGdried fish crushed into a powder and put on the land to help plants grow
Examples from the Corpus
fish meal• Local fishermen blame the panes for hoovering up young fish for fish meal.• But when they're to be ground up for fish meal it makes no difference.• Most of the time they just loaf around preening or sleeping off some heavy fish meal.• These are then processed into fish meal to be used mainly for feeding farm animals. 