Ream/riːm/ Definition 1 of 5Pro Tip 1/2Figurative Use The word 'ream' can represent a large, unspecified amount of work or material. She brought back a ream of brochures from the travel fair. Pro Tip 2/2Not Always Literal 'Ream' does not always mean exactly 500 sheets and can imply just a lot of something. With a ream of issues to address, the council met overnight.