binder

binder /ˈbaɪndɚ/ noun
plural binders
binder
/ˈbaɪndɚ/
noun
plural binders
Britannica Dictionary definition of BINDER
[count]
1 
: a cover for holding together sheets of paper — see also ring binder
2 
: a material that is used to hold things together
3 
: a person or machine that puts books together
4 
US : a temporary insurance contract that provides coverage until a policy is issued
5 
US : a payment given to make an agreement official and legal