(1):

(v. t.) To sing, especially with joyful notes.

(2):

(n.) A round dance.

(3):

(v. t.) To praise or celebrate in song.

(4):

(n.) Joyful music, as of a song.

(5):

(n.) A song of praise of devotion; as, a Christmas or Easter carol.

(6):

(n.) A song of joy, exultation, or mirth; a lay.

(7):

(v. i.) To sing; esp. to sing joyfully; to warble.

(8):

(n.) Alt. of Carrol