noun
dried sea cucumber ovaries
A delicacy in Japanese cuisine, often served as a side dish or in simmered dishes. The term specifically refers to the dried ovaries of the sea cucumber.
See also: 海鼠 (こ)
このこは日本酒によく合う珍味です。
Dried sea cucumber ovaries are a delicacy that goes well with sake.
料亭でこのこの煮付けをいただいた。
I had simmered dried sea cucumber ovaries at a traditional Japanese restaurant.
海鼠 (なまこ) refers to the sea cucumber itself, while 海鼠子 (このこ) specifically means the dried ovaries of the sea cucumber, a food item.
Compound of 海鼠 (ko, 'sea cucumber') and 子 (ko, 'child/egg'), literally 'sea cucumber eggs'. The reading このこ is a kun'yomi compound.