鳔胶

鰾膠
biàojiāo
  1. isinglass
  2. fish glue

CEDICT

isinglass; fish glue

Wiktionary

用鱼鳔或猪皮等熬煮成的胶，黏性很强，通常用来黏连木器。

重編國語辭典

Entry Composition

1 鳔 biào
  1. swim bladder
  2. air bladder of fish
2 胶 jiāo
  1. to glue
  2. glue
  3. gum
  4. rubber