Wassail

noun
1.
a salutation wishing health to a person, used in England in early times when presenting a cup of drink or when drinking to the person.
2.
a festivity or revel with drinking of healths.
3.
liquor for drinking and wishing health to others on festive occasions, especially spiced ale, as on Christmas Eve and Twelfth-night.
4.
Archaic. a song sung in wassailing.
verb (used without object)
5.
to revel with drinking.
verb (used with object)
6.
to drink to the health or success of; toast.
noun
1.
(formerly) a toast or salutation made to a person at festivities
2.
a festivity when much drinking takes place
3.
alcoholic drink drunk at such a festivity, esp spiced beer or mulled wine
4.
the singing of Christmas carols, going from house to house
5.
(archaic) a drinking song
verb
6.
to drink the health of (a person) at a wassail
7.
(intransitive) to go from house to house singing carols at Christmas