Pond

A pond was a small body of water.

The people of the Gamma Forests did not have a word for pond. (TV: A Good Man Goes to War)

The governess prior to Clara drowned in a pond in London in 1891. When Madame Vastra gave the "One Word Test" to Clara, her answer was "Pond". (TV: The Snowmen)

Rani Chandra saw a second reflection of herself with bloodshot eyes in a pond in Wales. (AUDIO: The Shadow People)