reams is a form of:

Ream



noun
1.
(20 quires of paper; a great amount, formerly 480 sheets of paper now sometimes 500 a great quantity of written matter) រ៉ាម (ដុំក្រដាស ៥០០សន្លឹក)
verbpast tense: reamed ; past participle: reamed ; present participle: reaming ;
1.
(TRANSITIVE) (to widen to extract on clean with a reamer) ខួងពង្រីករន្ធ
ENGLISH MEANING
noun
1.
Cream; also, the cream or froth on ale.
2.
A bundle, package, or quantity of paper, usually consisting of twenty quires or 480 sheets.
verbpast tense: reamed ; past participle: reamed ; present participle: reaming ;
1.
(TRANSITIVE) 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.
2.
(TRANSITIVE) To stretch out; to draw out into thongs, threads, or filaments.
1.
To cream, to mantle