WASSAIL verb (wos_uhl,was_,wo_setl)

(1)To drink to the health or success of; toast.

(2)To revel with drinking.

noun
(1)a saltation 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.