Emily Dickinson Lexicon

RANG-ER, n.

1. One that ranges; a rover; a robber. [Now little used.] – Spenser.
2. A dog that beats the ground. – Gay.
3. In England, a sworn officer of a forest, appointed by the king's letters patent, whose business is to walk through the forest, watch the deer, present trespasses, &c. – Encyc.