A nursery rhyme was a traditional children's song.
Zagreus was a character from a Gallifreyan nursery rhyme. (AUDIO: Seasons of Fear, Neverland, Zagreus)
In the Death Zone, the Second Doctor recalled an old nursery rhyme about the Dark Tower which described the different ways to enter it. (TV: The Five Doctors)
Jo Grant recited nursery rhymes to keep the Master from hypnotising her. The Master said he was never very fond of nursery rhymes. (TV: Frontier in Space)
On Nooma, the Third Doctor claimed that eeny, meeny, miny, moe was an old Venusian nursery rhyme. (PROSE: Speed of Flight)
In 200,100, Rodrick only knew that the Bad Wolf Corporation was named after an Old Earth nursery rhyme; Rose Tyler, however, knew that it meant something more. (TV: Bad Wolf)
The Twelfth Doctor recited a nursery rhyme while on the last planet at the end of the universe. (TV: Listen)
As children, Kate Stewart and her friend Ben Donelly would regularly run up and down the long gallery at Ealsdon House singing a nursery rhyme about a ghost that haunted the place called the Grey Man. (AUDIO: Invocation)