Meaning

noun joyful religious song celebrating the birth of Christ

noun a joyful song (usually celebrating the birth of Christ)

verb sing carols

originThe noun is derived from Middle English carole (“round dance with singing; group of people dancing and singing in a circle; song by carollers, carol; religious poem or song; circular thing; braid, chain (?); stall for study or writing; writing table”), from Old French carole (“round dance with singing”). The further etymology is uncertain; the following possibilities have been suggested: * From…

Etymology from Wiktionary, CC BY-SA 3.0