Emily Dickinson Lexicon

CAV-A-LIER', n. [Fr. See Cavalry.]

1. A horseman, especially an armed horseman; a knight.
2. A gay, sprightly, military man.
3. The appellation of the party of king Charles I. – Swift.
4. In fortification, an elevation of earth, situated ordinarily in the gorge of a bastion, bordered with a parapet, with embrasures. – Encyc.
5. In the manege, one who understands horsemanship; one skilled in the art of riding.