名詞 wassail:

1. a punch made of sweetened ale or wine heated with spices and roasted apples; especially at Christmas

動(dòng)詞 wassail:

1. celebrate noisily, often indulging in drinking; engage in uproarious festivities
   同義詞：revel, racket, make whoopie, make merry, make happy, whoop it up, jollify
2. propose a toast to
   同義詞：toast, drink, pledge, salute

was.sail

n.（名詞）

A salutation or toast given in drinking someone`s health or as an expression of good will at a festivity.
祝酒辭：節(jié)日時(shí)喝酒祝某人身體健康或表達(dá)良好愿望的敬辭或祝頌
The drink used in such toasting, commonly ale or wine spiced with roasted apples and sugar.
祝酒用麥芽酒，祝酒用葡萄酒：祝酒時(shí)用的酒，一般是用烤蘋果和糖調(diào)味的麥芽酒或葡萄酒
A festivity characterized by much drinking.
酒宴：以狂飲為特征的宴會(huì)
v.（動(dòng)詞）
was.sailed,was.sail.ing,was.sails
v.tr.（及物動(dòng)詞）
To drink to the health of; toast.
向…祝酒：為…的健康而干杯；祝酒
v.intr.（不及物動(dòng)詞）
To engage in or drink a wassail.
歡宴：舉行或參加酒宴

來(lái)源：
Middle English
中古英語(yǔ)
contraction of wôshôil [be healthy]
wôshôil的縮寫 [是健康的]
from Old Norse ves heill
源自 古斯堪的納維亞語(yǔ) ves heill
ves [imperative sing. of] vera [to be] * see wes-
ves [] vera的祈使語(yǔ)氣動(dòng)詞單數(shù) [成為] *參見(jiàn) wes-
heill [healthy] * see kailo-
heill [健康的] *參見(jiàn) kailo-

【引伸】
was.sailer
n.（名詞）