\Tan*tiv"y\, adv. [Said to be from the note of a hunting horn.] Swiftly; speedily; rapidly; -- a fox-hunting term; as, to ride tantivy.
\Tan*tiv"y\, n. A rapid, violent gallop; an impetuous rush. --Cleverland.
\Tan*tiv"y\, v. i. To go away in haste. [Colloq.]