Bull-TARDIS
From Tardis Wiki, the free Doctor Who reference
A Bull-TARDIS was the type of TARDIS which Romana III wished to use to mate with Compassion to create the Type 103 TARDIS. (PROSE: The Shadows of Avalon) War TARDISes were reared/born/controlled via a Bull-TARDIS in the time vortex. (PROSE: The Taking of Planet 5)
