ETYM AS. wes hâl (or an equivalent form in another dialect) be in health, which was the form of drinking a health. The form wes is imperative. Related to Was, and Whole.
Sweetened ale or wine heated with spices and roasted apples; especially at Christmas.
1. To indulge in wassail; carouse
2 (dialect England) To sing carols from house to house at Christmas
3. To drink to the health or thriving of