Definitions
1.nounA toast to health, usually on a festive occasion.
2.nounThe beverage served during a wassail, especially one made of ale or wine flavoured with spices, sugar, roasted apples, etc.
3.nounRevelry.
4.nounA festive or drinking song or glee.
5.verbTo toast, to drink to the health of another."The next morning he much regretted the gusto with which he had wassailed the night before."
6.verbTo drink wassail.
7.verbTo go from house to house at Christmastime, singing carols.