0 used to join two nouns, showing that a person or thing does two things or has two purposes; combined with: --
This is my bedroom-cum-study.
1 used to join two nouns, showing that a person or thing does two things or has two purposes; combined with: --
2 used to mean 'with' when describing what the price of particular shares, bonds, etc. includes: --
3 used to show that something has two purposes, or that someone does two things: --