n.
1 twenty quires or 500 (formerly 480) sheets of paper (or a larger number, to allow for waste).
2 (in pl.) a large quantity of paper or writing (wrote reams about it).
Etymology: ME rem, rim f. OF raime etc., ult. f. Arab. rizma bundle
2.
v.tr.
1 widen (a hole in metal etc.) with a borer.
2 turn over the edge of (a cartridge-case etc.).
3 Naut. open (a seam) for caulking.
4 US squeeze the juice from (fruit).
Derivatives:
reamer n.
Etymology: 19th c.: orig. uncert.
Useful english dictionary. 2012.