auld lang syne
noun /ˌɔːld læŋ ˈsaɪn/
/ˌɔːld læŋ ˈsaɪn/
- an old Scottish song expressing feelings of friendship, traditionally sung at midnight on New Year’s EveWord Originlate 18th cent.: Scots (from Scots auld ‘old’ and archaic Scottish lang syne ‘times gone by’). The phrase was popularized as the title and refrain of a song by Robert Burns (1788).