joint signature; multiple names
Refers to two or more people signing a document together, or a document bearing multiple names. Common in petitions, agreements, and formal letters.
請願書に連名で署名した。
We signed the petition jointly.
連名の手紙を送る。
Send a letter signed by multiple people.
The residents submitted a petition to city hall with all their names on it.
I signed the contract jointly with him.
An invitation with several people's names on it arrived.