term:

Solidary

solidary adj

[French solidaire characterized by community of interests, from Middle French, from Latin (in) solidum for the whole, involving all]
in the civil law of Louisiana
1 : existing jointly and severally
2 : being a party to a solidary obligation [when one obligor owes an indivisible performance to distinct obligees, the obligees are obligees "Foreman v. Montgomery, 496 So. 2d 1280 (1986)"]
sol·i·dar·i·ly [sÄ -lə-der-ə-lē]
adv

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.