Black's Law Dictionary (2nd edition)dictionaries

Jointly

Acting together or in concert or co-operation; holding in common or interdependently, not separately. Redama-tlon Dist. ▼. Parvin, 67 Cal. 501, 8 Pac. 43 ; Gold & Stock Tel. Co. v. Commercial TeI. Co. (C. O.) 23 Fed. 342; Case v. Owen, 139 Ind. 22, 38 N. B. 395, 47 Am. St Rep. 253. Persons are “jointly hound” in a bond or note when both or all must be sued in one actlon for its enforcement, not either one at the election of the creditor

Source: Black’s Law Dictionary 2nd Ed (1910)