1.
salmon roe, salmon caviar
Individual eggs of salmon, typically marinated in soy sauce or salt. A popular sushi topping and rice bowl ingredient in Japanese cuisine.
Etymology
From Russian "икра" (ikra), meaning fish roe. The word entered Japanese through contact with Russia, particularly via Hokkaido.
Usage
イクラ specifically refers to salmon roe that has been separated into individual eggs. The roe sac still in its membrane is called すじこ (筋子). イクラ is a staple of Japanese sushi and 海鮮丼 (seafood rice bowls), especially in Hokkaido.