Meaning
煮物 (にもの, Ni-mono) is Ni-mono — a Japanese food (soups and stews, ways of food preparation).
What is Ni-mono?
Nimono generally consists of a base ingredient simmered in shiru stock flavored with sake, soy sauce, and a small amount of sweetening. The nimono is simmered in the shiru over a period of time until the liquid is absorbed into the base ingredient or evaporated. The base ingredients for a nimono are typically a vegetable, fish, seafood, or tofu, either singly, or in combination. The shiru stock for a nimono generally is dashi . Other than sake and soy sauce, the stock can be further flavored by mirin , sugar, salt, vinegar, miso, or other condiments.