Sentence:  The Master's essence escapes his funeral urn and lands the <WSD>TARDIS</WSD> in San Francisco on December 30, 1999. 
Meaning of the word marked with <WSD> tags:  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.