赤身あかみ Noun Noun English jmdict 1 noun (common) (futsuumeishi)nouns which may take the genitive case particle 'no' red flesh (of a fish);red-fleshed fish (e.g. tuna);lean meat See also: 白身 (しろみ) コレステロールをためたくなかったら、脂肪のない赤身の肉を食べるのがよい。 If you want to avoid cholesterol, eat lean meat with no fat. 2 noun (common) (futsuumeishi)nouns which may take the genitive case particle 'no' heartwood See also: 白太 (しらた)