Definition of "ream"

(UK dialectal, Northern England, Scotland) Cream; also, the creamlike froth on ale or other liquor; froth or foam in general.  examples

(UK dialectal, Northern England, Scotland) To cream; mantle; foam; froth.  quotations  examples

(transitive) To enlarge (a hole), especially using a reamer; to bore (a hole) wider.  examples

(transitive) To remove (material) by reaming.  examples

(transitive) To remove burrs and debris from inside (something, such as a freshly bored hole) using a tool.  examples

To shape or form, especially using a reamer.  examples

(slang, vulgar, by extension from sense of enlarging a hole) To sexually penetrate in a rough and painful way.

(slang) To yell at or berate.

A bundle, package, or quantity of paper, nowadays usually containing 500 sheets.  examples

(chiefly in the plural) An abstract large amount of something.  examples