PTOr 62.b:24[2] :וקבלה מהו וקבלה כאינש דאמ׳ {^דשמע מיליה ד^} בעל דינא קבלה‏ : What does "he accepted his opinion" mean? Like one who says that his legal adversary accepted it.
See the entire entry for bˁeldīn, bˁeldīnā n.m. (legal) adversary