Emily Dickinson Lexicon

ROY'AL, n.

1. A large kind of paper. It is used us a noun or an adjective.
2. Among seamen, a small sail spread immediately above the top-gallant-sail; sometimes termed the top-gallant-royal. Mar. Dict.
3. One of the shoots of a stag's head. Bailey.
4. In artillery, a small mortar.
5. In England, one of the soldiers of the first regiment of foot, called the royals, and supposed to be the oldest regular corps in Europe. James.