Lime

 has several meanings pertinent to the Doctor Who universe and the real world. They are listed below in alphabetical order.

In-universe

 * Lime (fruit), a citrus fruit.
 * Lime Grove Wasp, a Traken insect. (AUDIO: The Mutant Phase)
 * Lime soda, a drink made from lime. (TV: The Unicorn and the Wasp)
 * Limestone, a type of sedimentary rock mined in Stockbridge. (COMIC: The Stockbridge Horror)
 * Limestone Lane, a street in Stockbridge. (COMIC: Endgame)
 * Lime (Zagreus), headmistress of Charley's finishing school. (AUDIO: Zagreus)

Behind the scenes

 * Lime Grove Studios, a studio where a prominent amount of filming for the Hartnell and Troughton eras of Doctor Who.