gym ‧ slip /ˈdʒɪmˌslɪp/ BrE AmE noun [countable] British English
a type of dress without sleeves that girls wore in the past over a shirt as a part of their school uniform
gym ‧ slip /ˈdʒɪmˌslɪp/ BrE AmE noun [countable] British English
a type of dress without sleeves that girls wore in the past over a shirt as a part of their school uniform
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012