Found 2 items, similar to langsyne.
English → English (WordNet)
Definition: langsyne
langsyne
n : past times remembered with nostalgia [syn:
auld langsyne,
old times,
the good old days]
langsyne
adv : at a distant time in the past (chiefly Scottish)
English → English (gcide)
Definition: Langsyne
Langsyne
\Lang`syne"\, adv. & n. [Scot. lang long + syne since.]
Long since; long ago. [Scot.]
[1913 Webster]