綿わた婚こん式しき

noun

cotton wedding anniversary; second wedding anniversary

Refers specifically to the second year of marriage, following the paper anniversary. Used in contexts of anniversary celebrations.

• 来らい月げつは綿わた婚こん式しきだから、何なにか特とく別べつなことをしよう。

  Next month is our cotton wedding anniversary, so let's do something special.