bind·er 
/ˈbaɪndɚ/ noun
plural bind·ers /ˈbaɪndɚ/ noun [count] 1 : a cover for holding together sheets of paper
▪ a loose-leaf binder — see also ring binder 2 : a material that is used to hold things together
▪ The egg in the recipe acts as a binder. 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
▪ She gave the lawyer 1,000 dollars as a binder when she signed the agreement to buy the house.
▪ a loose-leaf binder — see also ring binder
▪ The egg in the recipe acts as a binder.
▪ She gave the lawyer 1,000 dollars as a binder when she signed the agreement to buy the house.
