Definition of "TARDIS"

TARDIS

/ˈtɑːdɪs/

proper noun
plural TARDISes
1. The time machine and spacecraft used by the Doctor in the British sci-fi television series Doctor Who, which is larger on the inside than its exterior (that of a British police box) suggests, or any of the conceptually similar time machines used by other members of the Doctor's race, the Time Lords.
  Quotations
  'While I was in the Rani's TARDIS, I made an adjustment or two.' He chuckled, remembering the occasion.
  1986, Pip & Jane Baker, chapter 19, in The Mark of the Rani, page 129
  The Master's essence escapes his funeral urn and lands the TARDIS in San Francisco on December 30, 1999.
  2000, Fraser A. Sherman, Cyborgs, Santa Claus, and Satan, page 57
  I want the ground to swallow me up. I want to hide in a corner, curl up, and weep, sucking my thumb. I want the TARDIS to appear and take me away.
  2004, Will Hadcroft, The Feeling's Unmutual: Growing up with Asperger Syndrome (Undiagnosed), page 16
noun
plural TARDISes
1. Alternative form of Tardis (something which resembles the bigger-on-the-inside time machine from the series Doctor Who).
  Quotations
  This unassuming Georgian terrace house, located within five minutes walk of the busy commercial and tourist heart of Bath in Somerset, is like a veritable TARDIS of astronomical history and discovery, with more to see on the inside than its [exterior suggests].
  2008, in Astronomy Now, volume 22, issues 7–12, page 36