Bowship
Bowships were warcraft used by the Time Lords in their war against the Great Vampires.
Armaments
The primary weapon of a bowship was a launcher firing a "mighty bolt of steel" capable of killing a Great Vampire if it pierced it through the heart. (Great Vampires absorbed attacks from directed energy weapons and rapidly regenerated damage from minor projectiles.) (TV: State of Decay)
Bowships were mentioned in the Record of Rassilon. (TV: State of Decay)
Bowships were used in the Last Great Time War. They could not prevent the Fall of Arcadia. (PROSE: A Prologue)
Rassilon was exiled from Gallifrey in a Bowship. (COMIC: Supremacy of the Cybermen)