Glossary This is a full glossary/dictionary of useful words you will find on Big Business English. Select a family : All familiesBusiness Idioms (4)Business Vocab (17)General Vocab (20)ALL - A1 C6 D1 G1 H1 L1 M2 P1 S1 T1 W1 water cooler [ business-vocab, general-vocab ] A water cooler is a device for dispensing mineral water from a large bottle. Everyone was standing round the water cooler chatting. Image: Pixabay