The term 'curbside container' refers to the receptacles used for waste and recycling collection at the curb. The three solutions for this term are CAN (3 letters), TRASHBIN (8 letters), and RECYCLEBIN (10 letters). CAN is a short form of the word 'CANISTER, ' which is a cylindrical container typically used for storing or transporting items. TRASHBIN is a container used for disposing of waste, while RECYCLEBIN is a container used for collecting recyclable materials. These containers are typically placed at the curb for easy access by waste and recycling collectors.