Advoutry
Defined in 2 dictionaries — Ballentine's (1916), Black's (1910)
Ballentine's Law Dictionary
James A. Ballentine · 1916
Adultery.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
In old English law. Adultery between parties bath of whom were married. Hunter v. In S., 1 Pin. (Wist) 91, 39 Am. Dec. 277. Or the offense by an adulteress of continuing to live with the man with whom she committed the adultery. Cowell; Termes de la Ley. Sometimes spelled "advowtry."