| 1. | a standard quantity of paper, consisting of 20 quires or 500 sheets (formerly 480 sheets), or 516 sheets (printer's ream or perfect ream). |
| 2. | Usually, reams. a large quantity: He has written reams of poetry. |

| 1. | to enlarge to desired size (a previously bored hole) by means of a reamer. |
| 2. | to clear with a reamer; remove or press out by reaming. |
| 3. | to extract the juice from: to ream an orange. |
| 4. | Slang.
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