Tantivy

• (adv.) Swiftly; speedily; rapidly; -- a fox-hunting term; as, to ride tantivy. • (n.) A rapid, violent gallop; an impetuous rush. • (v. i.) To go away in haste.
Found on http://thinkexist.com/dictionary/meaning/tantivy/

Tantivy

Tan·tiv'y adverb [ Said to be from the note of a hunting horn.] Swiftly; speedily; rapidly; -- a fox-hunting term; as, to ride tantivy .
Found on http://www.encyclo.co.uk/webster/T/10

Tantivy

Tan·tiv'y intransitive verb To go away in haste. [ Colloq.]
Found on http://www.encyclo.co.uk/webster/T/10

Tantivy

Tan·tiv'y noun A rapid, violent gallop; an impetuous rush. Cleverland.
Found on http://www.encyclo.co.uk/webster/T/10

tantivy

at full gallop; headlong
Found on http://phrontistery.info/t.html

Tantivy

HMS Tantivy was a British T Class patrol type submarine of 1090 tons displacement launched in 1943. HMS Tantivy had a top speed of 15.25 knots surfaced and 9 knots submerged, carried a complement of 53 and was armed with one 4 inch dual-purpose gun; one 20 mm anti-aircraft gun; three machine-guns and about ten 21 inch torpedo tubes.
Found on http://www.probertencyclopaedia.com/browse/RT.HTM
No exact match found