| ER | a surface area where something has been erased |
|---|---|
| ER | a correction made by erasing |
| ER | (Greek mythology) the Muse of lyric and love poetry |
| ER | Greek mathematician and astronomer who estimated the circumference of the earth and the distances to the moon and sun (276-194 BC) |
| ER | paralysis of the arm resulting from injury to the brachial plexus (usually during childbirth) |
| ER | paralysis of the arm resulting from injury to the brachial plexus (usually during childbirth) |
| ER | a trivalent metallic element of the rare earth group |
| ER | a genus of evergreen climbers |
| ER | (Greek mythology) Greek god of darkness who dwelt in the underworld |
| ER | an American weedy plant with small white or greenish flowers |
| ER | construct, build, or erect |
| ER | cause to rise up |