fish glue; isinglass; ichthyocolla
A gelatinous glue obtained from fish, used historically as an adhesive or in food preparation. The term is technical and somewhat rare; isinglass is a specific type.
Fish glue has been used as a traditional adhesive.
このレシピでは魚膠をゼラチンの代わりに使う。
This recipe uses isinglass instead of gelatin.