Tantivy
Tantivy , adverb
[Said to be from the note of a hunting horn.]
Swiftly; speedily; rapidly; -- a fox-hunting term; as, to ride tantivy.
Tantivy , noun
A rapid, violent gallop; an impetuous rush. — Cleverland
Tantivy , intransitive verb
To go away in haste. [Colloquial]