Ad sectam

Also found in: Acronyms.

AD SECTAM. At the suit of, commonly abbreviated ads. It is usual in filing pleas, and other papers, for a defendant, instead of putting the name of the plaintiff first, as Peter v. Paul to put his own first, and instead of v. to put ads., as Paul ads. Peter.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.