名詞 carol:

1. joyful religious song celebrating the birth of Christ
   同義詞：Christmas carol
2. a joyful song (usually celebrating the birth of Christ)

動詞 carol:

1. sing carols

1. Several of his friends came: Ben, Carol and Mike, for instance.
   他的幾個朋友來了，比如本、 卡羅爾、 麥克。
2. She struck up the first carol on the grand piano.
   她在那架大鋼琴上演奏起第一支頌歌。
3. We usually sing carols at Christmas.
   圣誕節(jié)時，我們一般會唱頌歌。
4. The children went carolling during the week before Christmas.
   圣誕節(jié)前一周，孩子們到各家各戶去唱圣誕頌歌。

car.ol

n.（名詞）
Music A song of praise or joy, especially for Christmas.
【音樂】 頌歌，贊美詩：表示贊美的歌或歡樂的歌，尤指圣誕頌歌
An old round dance often accompanied by singing.
卡勒爾舞：舊時一種有伴唱的圓圈或集體舞
v.（動詞）
car.oled 也作 car.olled car.ol.ing car.ol.ling car.ols car.ols
v.intr.（不及物動詞）
To sing in a loud, joyous manner.
歡快地高聲歌唱
To go from house to house singing Christmas songs.
挨家挨戶地唱圣誕歌曲
v.tr.（及物動詞）
To celebrate in or as if in song:
歌唱慶祝：以歌唱的方式或好象用唱歌的方式來慶祝：
例句：
caroling the victory.
歡慶勝利

To sing loudly and joyously.
歡聲高唱

來源：
Middle English carole [a kind of round dance with singing]
中古英語 carole [一種有伴唱的舞蹈]
from Old French carole
源自 古法語 carole
probably from Late Latin choraula [choral song]
可能源自 后期拉丁語 choraula [頌歌，贊美詩]
from Latin choraulôs [accompanist]
源自 拉丁語 choraulôs [伴唱者]
from Greek khoraulôs
源自 希臘語 khoraulôs
khoros [choral dance] * see chorus
khoros [卡勒爾舞] *參見 chorus
aulos [flute]
aulos [長笛]

【引伸】
car.oler
n.（名詞）