A round dance accompanied by singing.
A (usually traditional) religious or secular song sung at Christmastime.
A ballad or song of joy.
To sing carols; especially to sing Christmas carols in a group.
To praise or celebrate in song.
To sing in a joyful manner.
To sing (a song) cheerfully.
To participate in a carol (a round dance accompanied by singing).
An event consisting of level setting
The set of values x for which a real-valued function f(x) is equal to a given constant.
A state of mutual understanding among parties
To establish a baseline of mutual understanding