langsyne Meaning, Definition & Usage

  1. noun past times remembered with nostalgia
    good old days; auld langsyne; old times.
  2. adverb at a distant time in the past (chiefly Scottish)

WordNet

Lang`syne" adverb & noun
Etymology
Scot. lang long + syne since.
Definitions
  1. Long since; long ago. Scot.

Webster 1913