連名 (renmei) Japanese meaning: joint signature | KotomoraWe signed the petition jointly.
Send a letter signed by multiple people.
Usage patterns
連名で〈物〉を出すto submit something (a petition, letter, etc.) with joint signatures
The residents submitted a petition to city hall with all their names on it.
〈人〉と連名で〈書類〉に署名するto sign a document jointly with someone
連名の〈物〉a document, letter, etc. bearing multiple names
An invitation with several people's names on it arrived.
I signed the contract jointly with him.