Webster's Revised Unabridged Dictionary · 1913

Ream

Ream (rēm) , noun

[Anglo-Saxon reám, akin to German rahm.]

Cream; also, the cream or froth on ale. [Scottish]

Ream , intransitive verb

To cream; to mantle. [Scottish]
A huge pewter measuring pot which, in the language of the hostess, reamed with excellent claret. — Sir W. Scott

Ream , transitive verb

[Compare Reim.]

To stretch out; to draw out into thongs, threads, or filaments.

Ream , noun

[Old English reme, Old French rayme, French rame (compare Sp. resma), from Arabic rizma a bundle, especially of paper.]

A bundle, package, or quantity of paper, usually consisting of twenty quires or 480 sheets.
Collocations (1)
Printer's ream , twenty-one and a half quires. [Eng.] A common practice is now to count five hundred sheets to the ream. — Knight

Ream (rēmd) , transitive verb

[Compare German raumen to remove, to clear away, from raum room. See Room.]

To bevel out, as the mouth of a hole in wood or metal; in modern usage, to enlarge or dress out, as a hole, with a reamer.