n. [ W. posel curdled milk, posset. ] A beverage composed of hot milk curdled by some strong infusion, as by wine, etc., -- much in favor formerly. “I have drugged their posset.” Shak. [ 1913 Webster ]

v. t. [ imp. & p. p. Posseted; p. pr. & vb. n. Posseting. ] 1. To curdle; to turn, as milk; to coagulate; as, to posset the blood. [ Obs. ] Shak. [ 1913 Webster ]

2. To treat with possets; to pamper. [ R. ] “She was cosseted and posseted.” O. W. Holmes. [ 1913 Webster ]