This is the 5483rd most frequent Japanese word.
うな丼
Grilled eel served over a bowl of rice.
In this sentence, 'うな丼 (unadon)' refers to the dish itself, which is composed of grilled eel over rice.
昨日、近所の店でうな丼を食べました。
Yesterday, I ate unadon at a nearby shop.
Here, 'うな丼 (unadon)' is used to represent the dish as a concept or category of food.
うな丼は日本の伝統的な料理です。
Unadon is a traditional Japanese dish.
In this case, 'うな丼 (unadon)' is identified as a specific menu item in the context of the restaurant.