posset UK /ˈpɒsɪt/US /ˈpɑsɪt/noun 3verb 3forms 3phrases 2 noun3 •A beverage composed of hot milk curdled by some strong infusion, such as wine.I have drugged their possets. — 1606 •A pudding-like food composed of cream, sugar, and other flavorings, such as lemon.When the posset was brought forth, he turned himself into a bear, and frightening them away, had it all to himself. — 1850 •A baby's vomit, comprising curdled milk.Some people will tell you that this position may allow inhalation of posset, but there is no evidence to support this. — 2008 verb3 •To vomit up curdled milk.Some babies never posset at all. Others do so with surprising ease, and this can be quite a cause of concern to parents. — 1990 •To treat with possets; to pamper.Nevertheless, as she laid him in bed and posseted him, how frail and fragile he looked! — 1908 •(no longer used) To curdle; to turn, as milk; to coagulate.[…] And with a sodaine vigour it [Hebenon, a poison] doth posset / And curd, like Aygre [vinegar] droppings into Milke, / The thin and wholsome blood: […] — 1599 formsposseted · posseting · possets Phrases with posset give a sneck possetTo give someone a cold reception; to close the door on someone; to reject them. sneck possetA cold reception, closing the door on a visitor