Other forms: lassies
A lassie is a girl, in Scottish and northern use. A bonny lassie, the lassie next door, lads and lassies.
It is the diminutive of lass, and both are Scottish and northern English rather than general British. It is affectionate, and it sounds patronising when used by anybody from elsewhere. Lassie is also the collie of the films, which most people meet first.
1nounlassieA girl, in Scottish and northern use.
“"Come here, lassie, and let me see that cut on your knee," said the old Scotsman.”
lassie is a girl.
Also accepted in games: lass
From lass + -ie.
Etymology from Wiktionary, CC BY-SA